Faster access than browser!
103 relations: Absorption spectroscopy, Acoustic signature, Acoustics, Afterimage, Algebraic topology, Alpha-particle spectroscopy, Ampicillin, Analytical chemistry, Angular momentum operator, Antibiotic, Apparitional experience, Arthur Schopenhauer, Astronomical spectroscopy, Autism spectrum, Beta-lactamase, Broad-spectrum antibiotic, Chemical compound, Chemical element, Cohomology, Color, Colorimetry, Continuum (measurement), Dicloxacillin, Differential operator, Dispersion (optics), Dispersive prism, Eigenvalues and eigenvectors, Electromagnetic radiation, Electromagnetic spectrum, Electron energy loss spectroscopy, Electron spectroscopy, Emission spectrum, Frequency, Gram-positive bacteria, Hamiltonian (quantum mechanics), Harmonic spectrum, Hearsay, Hertz, Hobby, Human eye, Intensity (physics), Isaac Newton, Johann Wolfgang von Goethe, Latin, LC circuit, Left–right political spectrum, Light, Mass (mass spectrometry), Mass spectrometry, Mass spectrum, ..., Mass-analyzed ion-kinetic-energy spectrometry, Mass-to-charge ratio, Mathematics, Microwave, Modulation, Multiset, Musical tone, Nanometre, Neurodevelopmental disorder, On Vision and Colors, Optics, Orders of magnitude (length), Political science, Political spectrum, Power (physics), Prism, Quantum mechanics, Radio spectrum, Radiometry, Rainbow, Salem, Massachusetts, Satan, Social class, Social science, Sound, Spectral density, Spectral energy distribution, Spectral evidence, Spectral flux density, Spectral power distribution, Spectrogram, Spectrograph, Spectrometer, Spectrophotometry, Spectroscopy, Spectrum (functional analysis), Spectrum (topology), Spectrum analyzer, Spectrum disorder, Spectrum of a matrix, Staphylococcus aureus, Star, Stellar classification, Synthesizer, Tandem mass spectrometry, Theory of Colours, Timbre, Trait theory, Visible spectrum, Wave, Wavelength, White noise, Witchcraft. Expand index (53 more) »
Absorption spectroscopy
Absorption spectroscopy refers to spectroscopic techniques that measure the absorption of radiation, as a function of frequency or wavelength, due to its interaction with a sample.
New!!: Spectrum and Absorption spectroscopy · See more »
Acoustic signature
Acoustic signature is used to describe a combination of acoustic emissions of sound emitters, such as those of ships and submarines.
New!!: Spectrum and Acoustic signature · See more »
Acoustics
Acoustics is the branch of physics that deals with the study of all mechanical waves in gases, liquids, and solids including topics such as vibration, sound, ultrasound and infrasound.
New!!: Spectrum and Acoustics · See more »
Afterimage
An afterimage is an image that continues to appear in one's vision after the exposure to the original image has ceased.
New!!: Spectrum and Afterimage · See more »
Algebraic topology
Algebraic topology is a branch of mathematics that uses tools from abstract algebra to study topological spaces.
New!!: Spectrum and Algebraic topology · See more »
Alpha-particle spectroscopy
One method for testing of (and measuring) many alpha emitters is to use alpha-particle spectroscopy.
New!!: Spectrum and Alpha-particle spectroscopy · See more »
Ampicillin
Ampicillin is an antibiotic used to prevent and treat a number of bacterial infections, such as respiratory tract infections, urinary tract infections, meningitis, salmonellosis, and endocarditis.
New!!: Spectrum and Ampicillin · See more »
Analytical chemistry
Analytical chemistry studies and uses instruments and methods used to separate, identify, and quantify matter.
New!!: Spectrum and Analytical chemistry · See more »
Angular momentum operator
In quantum mechanics, the angular momentum operator is one of several related operators analogous to classical angular momentum.
New!!: Spectrum and Angular momentum operator · See more »
Antibiotic
An antibiotic (from ancient Greek αντιβιοτικά, antibiotiká), also called an antibacterial, is a type of antimicrobial drug used in the treatment and prevention of bacterial infections.
New!!: Spectrum and Antibiotic · See more »
Apparitional experience
In parapsychology, an apparitional experience is an anomalous experience characterized by the apparent perception of either a living being or an inanimate object without there being any material stimulus for such a perception.
New!!: Spectrum and Apparitional experience · See more »
Arthur Schopenhauer
Arthur Schopenhauer (22 February 1788 – 21 September 1860) was a German philosopher.
New!!: Spectrum and Arthur Schopenhauer · See more »
Astronomical spectroscopy
Astronomical spectroscopy is the study of astronomy using the techniques of spectroscopy to measure the spectrum of electromagnetic radiation, including visible light and radio, which radiates from stars and other celestial objects.
New!!: Spectrum and Astronomical spectroscopy · See more »
Autism spectrum
Autism spectrum, also known as autism spectrum disorder (ASD), is a range of conditions classified as neurodevelopmental disorders.
New!!: Spectrum and Autism spectrum · See more »
Beta-lactamase
Beta-lactamases are enzymes produced by bacteria that provide multi-resistance to β-lactam antibiotics such as penicillins, cephalosporins, cephamycins, and carbapenems (ertapenem), although carbapenems are relatively resistant to beta-lactamase.
New!!: Spectrum and Beta-lactamase · See more »
Broad-spectrum antibiotic
The term broad-spectrum antibiotic can refer to an antibiotic that acts on the two major bacterial groups, gram-positive and gram-negative, or any antibiotic that acts against a wide range of disease-causing bacteria.
New!!: Spectrum and Broad-spectrum antibiotic · See more »
Chemical compound
A chemical compound is a chemical substance composed of many identical molecules (or molecular entities) composed of atoms from more than one element held together by chemical bonds.
New!!: Spectrum and Chemical compound · See more »
Chemical element
A chemical element is a species of atoms having the same number of protons in their atomic nuclei (that is, the same atomic number, or Z).
New!!: Spectrum and Chemical element · See more »
Cohomology
In mathematics, specifically in homology theory and algebraic topology, cohomology is a general term for a sequence of abelian groups associated to a topological space, often defined from a cochain complex.
New!!: Spectrum and Cohomology · See more »
Color
Color (American English) or colour (Commonwealth English) is the characteristic of human visual perception described through color categories, with names such as red, orange, yellow, green, blue, or purple.
New!!: Spectrum and Color · See more »
Colorimetry
Colorimetry is "the science and technology used to quantify and describe physically the human color perception." It is similar to spectrophotometry, but is distinguished by its interest in reducing spectra to the physical correlates of color perception, most often the CIE 1931 XYZ color space tristimulus values and related quantities.
New!!: Spectrum and Colorimetry · See more »
Continuum (measurement)
Continuum theories or models explain variation as involving gradual quantitative transitions without abrupt changes or discontinuities.
New!!: Spectrum and Continuum (measurement) · See more »
Dicloxacillin
Dicloxacillin is a narrow-spectrum β-lactam antibiotic of the penicillin class.
New!!: Spectrum and Dicloxacillin · See more »
Differential operator
In mathematics, a differential operator is an operator defined as a function of the differentiation operator.
New!!: Spectrum and Differential operator · See more »
Dispersion (optics)
In optics, dispersion is the phenomenon in which the phase velocity of a wave depends on its frequency.
New!!: Spectrum and Dispersion (optics) · See more »
Dispersive prism
In optics, a dispersive prism is an optical prism, usually having the shape of a geometrical triangular prism, used as a spectroscopic component.
New!!: Spectrum and Dispersive prism · See more »
Eigenvalues and eigenvectors
In linear algebra, an eigenvector or characteristic vector of a linear transformation is a non-zero vector that changes by only a scalar factor when that linear transformation is applied to it.
New!!: Spectrum and Eigenvalues and eigenvectors · See more »
Electromagnetic radiation
In physics, electromagnetic radiation (EM radiation or EMR) refers to the waves (or their quanta, photons) of the electromagnetic field, propagating (radiating) through space-time, carrying electromagnetic radiant energy.
New!!: Spectrum and Electromagnetic radiation · See more »
Electromagnetic spectrum
The electromagnetic spectrum is the range of frequencies (the spectrum) of electromagnetic radiation and their respective wavelengths and photon energies.
New!!: Spectrum and Electromagnetic spectrum · See more »
Electron energy loss spectroscopy
In electron energy loss spectroscopy (EELS) a material is exposed to a beam of electrons with a known, narrow range of kinetic energies.
New!!: Spectrum and Electron energy loss spectroscopy · See more »
Electron spectroscopy
Electron spectroscopy is an analytical technique to study the electronic structure and its dynamics in atoms and molecules.
New!!: Spectrum and Electron spectroscopy · See more »
Emission spectrum
The emission spectrum of a chemical element or chemical compound is the spectrum of frequencies of electromagnetic radiation emitted due to an atom or molecule making a transition from a high energy state to a lower energy state.
New!!: Spectrum and Emission spectrum · See more »
Frequency
Frequency is the number of occurrences of a repeating event per unit of time.
New!!: Spectrum and Frequency · See more »
Gram-positive bacteria
Gram-positive bacteria are bacteria that give a positive result in the Gram stain test, which is traditionally used to quickly classify bacteria into two broad categories according to their cell wall.
New!!: Spectrum and Gram-positive bacteria · See more »
Hamiltonian (quantum mechanics)
In quantum mechanics, a Hamiltonian is an operator corresponding to the total energy of the system in most of the cases.
New!!: Spectrum and Hamiltonian (quantum mechanics) · See more »
Harmonic spectrum
A harmonic spectrum is a spectrum containing only frequency components whose frequencies are whole number multiples of the fundamental frequency; such frequencies are known as harmonics.
New!!: Spectrum and Harmonic spectrum · See more »
Hearsay
Hearsay evidence is "an out-of-court statement offered to prove the truth of matter asserted".
New!!: Spectrum and Hearsay · See more »
Hertz
The hertz (symbol: Hz) is the derived unit of frequency in the International System of Units (SI) and is defined as one cycle per second.
New!!: Spectrum and Hertz · See more »
Hobby
A hobby is a regular activity that is done for enjoyment, typically during one's leisure time.
New!!: Spectrum and Hobby · See more »
Human eye
The human eye is an organ which reacts to light and pressure.
New!!: Spectrum and Human eye · See more »
Intensity (physics)
In physics, intensity is the power transferred per unit area, where the area is measured on the plane perpendicular to the direction of propagation of the energy.
New!!: Spectrum and Intensity (physics) · See more »
Isaac Newton
Sir Isaac Newton (25 December 1642 – 20 March 1726/27) was an English mathematician, astronomer, theologian, author and physicist (described in his own day as a "natural philosopher") who is widely recognised as one of the most influential scientists of all time, and a key figure in the scientific revolution.
New!!: Spectrum and Isaac Newton · See more »
Johann Wolfgang von Goethe
Johann Wolfgang von Goethe (28 August 1749 – 22 March 1832) was a German writer and statesman.
New!!: Spectrum and Johann Wolfgang von Goethe · See more »
Latin
Latin (Latin: lingua latīna) is a classical language belonging to the Italic branch of the Indo-European languages.
New!!: Spectrum and Latin · See more »
LC circuit
An LC circuit, also called a resonant circuit, tank circuit, or tuned circuit, is an electric circuit consisting of an inductor, represented by the letter L, and a capacitor, represented by the letter C, connected together.
New!!: Spectrum and LC circuit · See more »
Left–right political spectrum
The left–right political spectrum is a system of classifying political positions, ideologies and parties.
New!!: Spectrum and Left–right political spectrum · See more »
Light
Light is electromagnetic radiation within a certain portion of the electromagnetic spectrum.
New!!: Spectrum and Light · See more »
Mass (mass spectrometry)
The mass recorded by a mass spectrometer can refer to different physical quantities depending on the characteristics of the instrument and the manner in which the mass spectrum is displayed.
New!!: Spectrum and Mass (mass spectrometry) · See more »
Mass spectrometry
Mass spectrometry (MS) is an analytical technique that ionizes chemical species and sorts the ions based on their mass-to-charge ratio.
New!!: Spectrum and Mass spectrometry · See more »
Mass spectrum
A mass spectrum is an intensity vs.
New!!: Spectrum and Mass spectrum · See more »
Mass-analyzed ion-kinetic-energy spectrometry
Mass-analyzed ion kinetic-energy spectrometry (MIKES) is a mass spectrometry technique by which mass spectra are obtained from a sector instrument that incorporates at least one magnetic sector plus one electric sector in reverse geometry (the beam first enters the magnetic sector).
New!!: Spectrum and Mass-analyzed ion-kinetic-energy spectrometry · See more »
Mass-to-charge ratio
The mass-to-charge ratio (m/Q) is a physical quantity that is most widely used in the electrodynamics of charged particles, e.g. in electron optics and ion optics.
New!!: Spectrum and Mass-to-charge ratio · See more »
Mathematics
Mathematics (from Greek μάθημα máthēma, "knowledge, study, learning") is the study of such topics as quantity, structure, space, and change.
New!!: Spectrum and Mathematics · See more »
Microwave
Microwaves are a form of electromagnetic radiation with wavelengths ranging from one meter to one millimeter; with frequencies between and.
New!!: Spectrum and Microwave · See more »
Modulation
In electronics and telecommunications, modulation is the process of varying one or more properties of a periodic waveform, called the carrier signal, with a modulating signal that typically contains information to be transmitted.
New!!: Spectrum and Modulation · See more »
Multiset
In mathematics, a multiset (aka bag or mset) is a modification of the concept of a set that, unlike a set, allows for multiple instances for each of its elements.
New!!: Spectrum and Multiset · See more »
Musical tone
Traditionally in Western music, a musical tone is a steady periodic sound.
New!!: Spectrum and Musical tone · See more »
Nanometre
The nanometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: nm) or nanometer (American spelling) is a unit of length in the metric system, equal to one billionth (short scale) of a metre (m).
New!!: Spectrum and Nanometre · See more »
Neurodevelopmental disorder
Neurodevelopmental disorder is a mental disorder.
New!!: Spectrum and Neurodevelopmental disorder · See more »
On Vision and Colors
On Vision and Colors (Ueber das Sehn und die Farben) is a treatise by Arthur Schopenhauer that was published in May 1816 when the author was 28 years old.
New!!: Spectrum and On Vision and Colors · See more »
Optics
Optics is the branch of physics which involves the behaviour and properties of light, including its interactions with matter and the construction of instruments that use or detect it.
New!!: Spectrum and Optics · See more »
Orders of magnitude (length)
The following are examples of orders of magnitude for different lengths.
New!!: Spectrum and Orders of magnitude (length) · See more »
Political science
Political science is a social science which deals with systems of governance, and the analysis of political activities, political thoughts, and political behavior.
New!!: Spectrum and Political science · See more »
Political spectrum
A political spectrum is a system of classifying different political positions upon one or more geometric axes that symbolize independent political dimensions.
New!!: Spectrum and Political spectrum · See more »
Power (physics)
In physics, power is the rate of doing work, the amount of energy transferred per unit time.
New!!: Spectrum and Power (physics) · See more »
Prism
In optics, a prism is a transparent optical element with flat, polished surfaces that refract light.
New!!: Spectrum and Prism · See more »
Quantum mechanics
Quantum mechanics (QM; also known as quantum physics, quantum theory, the wave mechanical model, or matrix mechanics), including quantum field theory, is a fundamental theory in physics which describes nature at the smallest scales of energy levels of atoms and subatomic particles.
New!!: Spectrum and Quantum mechanics · See more »
Radio spectrum
The radio spectrum is the part of the electromagnetic spectrum with frequencies from 3 Hz to 3 000 GHz (3 THz).
New!!: Spectrum and Radio spectrum · See more »
Radiometry
Radiometry is a set of techniques for measuring electromagnetic radiation, including visible light.
New!!: Spectrum and Radiometry · See more »
Rainbow
A rainbow is a meteorological phenomenon that is caused by reflection, refraction and dispersion of light in water droplets resulting in a spectrum of light appearing in the sky.
New!!: Spectrum and Rainbow · See more »
Salem, Massachusetts
Salem is a historic, coastal city in Essex County, Massachusetts, in the United States, located on Massachusetts' North Shore.
New!!: Spectrum and Salem, Massachusetts · See more »
Satan
Satan is an entity in the Abrahamic religions that seduces humans into sin.
New!!: Spectrum and Satan · See more »
Social class
A social class is a set of subjectively defined concepts in the social sciences and political theory centered on models of social stratification in which people are grouped into a set of hierarchical social categories, the most common being the upper, middle and lower classes.
New!!: Spectrum and Social class · See more »
Social science
Social science is a major category of academic disciplines, concerned with society and the relationships among individuals within a society.
New!!: Spectrum and Social science · See more »
Sound
In physics, sound is a vibration that typically propagates as an audible wave of pressure, through a transmission medium such as a gas, liquid or solid.
New!!: Spectrum and Sound · See more »
Spectral density
The power spectrum S_(f) of a time series x(t) describes the distribution of power into frequency components composing that signal.
New!!: Spectrum and Spectral density · See more »
Spectral energy distribution
A spectral energy distribution (SED) is a plot of energy versus frequency or wavelength of light (not to be confused with a 'spectrum' of flux density vs frequency or wavelength).
New!!: Spectrum and Spectral energy distribution · See more »
Spectral evidence
Spectral evidence is a form of evidence based upon dreams and visions.
New!!: Spectrum and Spectral evidence · See more »
Spectral flux density
In spectroscopy, spectral flux density is the quantity that describes the rate at which energy is transferred by electromagnetic radiation through a real or virtual surface, per unit surface area and per unit wavelength.
New!!: Spectrum and Spectral flux density · See more »
Spectral power distribution
In radiometry, photometry and color science, a spectral power distribution (SPD) measurement describes the power per unit area per unit wavelength of an illumination (radiant exitance).
New!!: Spectrum and Spectral power distribution · See more »
Spectrogram
A spectrogram is a visual representation of the spectrum of frequencies of sound or other signal as they vary with time.
New!!: Spectrum and Spectrogram · See more »
Spectrograph
A spectrograph is an instrument that separates light into a frequency spectrum and records the signal using a camera.
New!!: Spectrum and Spectrograph · See more »
Spectrometer
A spectrometer is a scientific instrument used to separate and measure spectral components of a physical phenomenon.
New!!: Spectrum and Spectrometer · See more »
Spectrophotometry
In chemistry, spectrophotometry is the quantitative measurement of the reflection or transmission properties of a material as a function of wavelength.
New!!: Spectrum and Spectrophotometry · See more »
Spectroscopy
Spectroscopy is the study of the interaction between matter and electromagnetic radiation.
New!!: Spectrum and Spectroscopy · See more »
Spectrum (functional analysis)
In mathematics, particularly in functional analysis, the spectrum of a bounded operator is a generalisation of the set of eigenvalues of a matrix.
New!!: Spectrum and Spectrum (functional analysis) · See more »
Spectrum (topology)
In algebraic topology, a branch of mathematics, a spectrum is an object representing a generalized cohomology theory.
New!!: Spectrum and Spectrum (topology) · See more »
Spectrum analyzer
A spectrum analyzer measures the magnitude of an input signal versus frequency within the full frequency range of the instrument.
New!!: Spectrum and Spectrum analyzer · See more »
Spectrum disorder
A spectrum disorder is a mental disorder that includes a range of linked conditions, sometimes also extending to include singular symptoms and traits.
New!!: Spectrum and Spectrum disorder · See more »
Spectrum of a matrix
In mathematics, the spectrum of a matrix is the set of its eigenvalues.
New!!: Spectrum and Spectrum of a matrix · See more »
Staphylococcus aureus
Staphylococcus aureus is a Gram-positive, round-shaped bacterium that is a member of the Firmicutes, and it is a member of the normal flora of the body, frequently found in the nose, respiratory tract, and on the skin.
New!!: Spectrum and Staphylococcus aureus · See more »
Star
A star is type of astronomical object consisting of a luminous spheroid of plasma held together by its own gravity.
New!!: Spectrum and Star · See more »
Stellar classification
In astronomy, stellar classification is the classification of stars based on their spectral characteristics.
New!!: Spectrum and Stellar classification · See more »
Synthesizer
A synthesizer (often abbreviated as synth, also spelled synthesiser) is an electronic musical instrument that generates electric signals that are converted to sound through instrument amplifiers and loudspeakers or headphones.
New!!: Spectrum and Synthesizer · See more »
Tandem mass spectrometry
Tandem mass spectrometry, also known as MS/MS or MS2, involves multiple steps of mass spectrometry selection, with some form of fragmentation occurring in between the stages.
New!!: Spectrum and Tandem mass spectrometry · See more »
Theory of Colours
Theory of Colours (German: Zur Farbenlehre) is a book by Johann Wolfgang von Goethe about the poet's views on the nature of colours and how these are perceived by humans.
New!!: Spectrum and Theory of Colours · See more »
Timbre
In music, timbre (also known as tone color or tone quality from psychoacoustics) is the perceived sound quality of a musical note, sound or tone.
New!!: Spectrum and Timbre · See more »
Trait theory
In psychology, trait theory (also called dispositional theory) is an approach to the study of human personality.
New!!: Spectrum and Trait theory · See more »
Visible spectrum
The visible spectrum is the portion of the electromagnetic spectrum that is visible to the human eye.
New!!: Spectrum and Visible spectrum · See more »
Wave
In physics, a wave is a disturbance that transfers energy through matter or space, with little or no associated mass transport.
New!!: Spectrum and Wave · See more »
Wavelength
In physics, the wavelength is the spatial period of a periodic wave—the distance over which the wave's shape repeats.
New!!: Spectrum and Wavelength · See more »
White noise
In signal processing, white noise is a random signal having equal intensity at different frequencies, giving it a constant power spectral density.
New!!: Spectrum and White noise · See more »
Witchcraft
Witchcraft or witchery broadly means the practice of and belief in magical skills and abilities exercised by solitary practitioners and groups.
New!!: Spectrum and Witchcraft · See more »
Redirects here:
Energy spectra, Energy spectrum, Spectracular, Spectral density (physical science), Spectroscopic observations, Spectrum of disease.
References
[1] https://en.wikipedia.org/wiki/Spectrum
