58 relations: Absolute threshold of hearing, Aluminium, Atmosphere (unit), Atmospheric pressure, Bar (unit), Barometer, Blaise Pascal, Blower door, Centimetre of water, CJK Compatibility, Compressive strength, Copper, Deprecation, Diamond, Earth, Elastography, Electric potential energy, Energy density, Engineering, General Conference on Weights and Measures, Geophysics, Gravitational energy, Hemp, Imperial units, Internal pressure, International Bureau of Weights and Measures, International Organization for Standardization, International System of Units, International Union of Pure and Applied Chemistry, Joule, Kilogram, Magnetic resonance imaging, Materials science, Medical ultrasound, Meteorology, Metre, Metric prefix, Newton (unit), Nylon, Orders of magnitude (pressure), Pascal's law, Polymath, Pounds per square inch, Pressure, Pressure measurement, Second, Shear modulus, SI base unit, SI derived unit, Sound pressure, ..., Square metre, Steel, Stress (mechanics), Tooth enamel, Ultimate tensile strength, Unicode, United States customary units, Young's modulus. Expand index (8 more) » « Shrink index
The absolute threshold of hearing (ATH) is the minimum sound level of a pure tone that an average human ear with normal hearing can hear with no other sound present.
Aluminium or aluminum is a chemical element with symbol Al and atomic number 13.
The standard atmosphere (symbol: atm) is a unit of pressure defined as.
Atmospheric pressure, sometimes also called barometric pressure, is the pressure within the atmosphere of Earth (or that of another planet).
The bar is a metric unit of pressure, but is not approved as part of the International System of Units (SI).
A barometer is a scientific instrument used in meteorology to measure atmospheric pressure.
Blaise Pascal (19 June 1623 – 19 August 1662) was a French mathematician, physicist, inventor, writer and Catholic theologian.
A blower door is a machine used to measure the airtightness of buildings.
A centimetre of water (US spelling centimeter of water, abbreviated cm or cm H2O) is a less commonly used unit of pressure derived from pressure head calculations using metrology.
CJK Compatibility is a Unicode block containing square symbols (both CJK and Latin alphanumeric) encoded for compatibility with east Asian character sets.
Compressive strength or compression strength is the capacity of a material or structure to withstand loads tending to reduce size, as opposed to tensile strength, which withstands loads tending to elongate.
Copper is a chemical element with symbol Cu (from cuprum) and atomic number 29.
In several fields, deprecation is the discouragement of use of some terminology, feature, design, or practice, typically because it has been superseded or is no longer considered efficient or safe, without completely removing it or prohibiting its use.
Diamond is a solid form of carbon with a diamond cubic crystal structure.
Earth is the third planet from the Sun and the only astronomical object known to harbor life.
Elastography is a medical imaging modality that maps the elastic properties and stiffness of soft tissue.
Electric potential energy, or electrostatic potential energy, is a potential energy (measured in joules) that results from conservative Coulomb forces and is associated with the configuration of a particular set of point charges within a defined system.
Energy density is the amount of energy stored in a given system or region of space per unit volume.
Engineering is the creative application of science, mathematical methods, and empirical evidence to the innovation, design, construction, operation and maintenance of structures, machines, materials, devices, systems, processes, and organizations.
The General Conference on Weights and Measures (Conférence générale des poids et mesures – CGPM) is the supreme authority of the International Bureau of Weights and Measures (Bureau international des poids et mesures – BIPM), the inter-governmental organization established in 1875 under the terms of the Metre Convention (Convention du Mètre) through which Member States act together on matters related to measurement science and measurement standards.
Geophysics is a subject of natural science concerned with the physical processes and physical properties of the Earth and its surrounding space environment, and the use of quantitative methods for their analysis.
Gravitational energy is the potential energy a body with mass has in relation to another massive object due to gravity.
Hemp, or industrial hemp (from Old English hænep), typically found in the northern hemisphere, is a variety of the Cannabis sativa plant species that is grown specifically for the industrial uses of its derived products.
The system of imperial units or the imperial system (also known as British Imperial or Exchequer Standards of 1825) is the system of units first defined in the British Weights and Measures Act of 1824, which was later refined and reduced.
Internal pressure is a measure of how the internal energy of a system changes when it expands or contracts at constant temperature.
The International Bureau of Weights and Measures (Bureau international des poids et mesures) is an intergovernmental organization established by the Metre Convention, through which Member States act together on matters related to measurement science and measurement standards.
The International Organization for Standardization (ISO) is an international standard-setting body composed of representatives from various national standards organizations.
The International System of Units (SI, abbreviated from the French Système international (d'unités)) is the modern form of the metric system, and is the most widely used system of measurement.
The International Union of Pure and Applied Chemistry (IUPAC) is an international federation of National Adhering Organizations that represents chemists in individual countries.
The joule (symbol: J) is a derived unit of energy in the International System of Units.
The kilogram or kilogramme (symbol: kg) is the base unit of mass in the International System of Units (SI), and is defined as being equal to the mass of the International Prototype of the Kilogram (IPK, also known as "Le Grand K" or "Big K"), a cylinder of platinum-iridium alloy stored by the International Bureau of Weights and Measures at Saint-Cloud, France.
Magnetic resonance imaging (MRI) is a medical imaging technique used in radiology to form pictures of the anatomy and the physiological processes of the body in both health and disease.
The interdisciplinary field of materials science, also commonly termed materials science and engineering is the design and discovery of new materials, particularly solids.
Medical ultrasound (also known as diagnostic sonography or ultrasonography) is a diagnostic imaging technique based on the application of ultrasound.
Meteorology is a branch of the atmospheric sciences which includes atmospheric chemistry and atmospheric physics, with a major focus on weather forecasting.
The metre (British spelling and BIPM spelling) or meter (American spelling) (from the French unit mètre, from the Greek noun μέτρον, "measure") is the base unit of length in some metric systems, including the International System of Units (SI).
A metric prefix is a unit prefix that precedes a basic unit of measure to indicate a multiple or fraction of the unit.
The newton (symbol: N) is the International System of Units (SI) derived unit of force.
Nylon is a generic designation for a family of synthetic polymers, based on aliphatic or semi-aromatic polyamides.
This is a tabulated listing of the orders of magnitude in relation to pressure expressed in pascals.
Pascal's law (also Pascal's principle or the principle of transmission of fluid-pressure) is a principle in fluid mechanics that states that a pressure change occurring anywhere in a confined incompressible fluid is transmitted throughout the fluid such that the same change occurs everywhere.
A polymath (πολυμαθής,, "having learned much,"The term was first recorded in written English in the early seventeenth century Latin: uomo universalis, "universal man") is a person whose expertise spans a significant number of different subject areas—such a person is known to draw on complex bodies of knowledge to solve specific problems.
The pound per square inch or, more accurately, pound-force per square inch (symbol: lbf/in2; abbreviation: psi) is a unit of pressure or of stress based on avoirdupois units.
Pressure (symbol: p or P) is the force applied perpendicular to the surface of an object per unit area over which that force is distributed.
Pressure measurement is the analysis of an applied force by a fluid (liquid or gas) on a surface.
The second is the SI base unit of time, commonly understood and historically defined as 1/86,400 of a day – this factor derived from the division of the day first into 24 hours, then to 60 minutes and finally to 60 seconds each.
In materials science, shear modulus or modulus of rigidity, denoted by G, or sometimes S or μ, is defined as the ratio of shear stress to the shear strain: where The derived SI unit of shear modulus is the pascal (Pa), although it is usually expressed in gigapascals (GPa) or in thousands of pounds per square inch (ksi).
The International System of Units (SI) defines seven units of measure as a basic set from which all other SI units can be derived.
SI derived units are units of measurement derived from the seven base units specified by the International System of Units (SI).
Sound pressure or acoustic pressure is the local pressure deviation from the ambient (average or equilibrium) atmospheric pressure, caused by a sound wave.
The square metre (International spelling as used by the International Bureau of Weights and Measures) or square meter (American spelling) is the SI derived unit of area, with symbol m2 (Unicode character). It is the area of a square whose sides measure exactly one metre.
Steel is an alloy of iron and carbon and other elements.
In continuum mechanics, stress is a physical quantity that expresses the internal forces that neighboring particles of a continuous material exert on each other, while strain is the measure of the deformation of the material.
Tooth enamel is one of the four major tissues that make up the tooth in humans and many other animals, including some species of fish.
Ultimate tensile strength (UTS), often shortened to tensile strength (TS), ultimate strength, or Ftu within equations, is the capacity of a material or structure to withstand loads tending to elongate, as opposed to compressive strength, which withstands loads tending to reduce size.
Unicode is a computing industry standard for the consistent encoding, representation, and handling of text expressed in most of the world's writing systems.
United States customary units are a system of measurements commonly used in the United States.
Young's modulus, also known as the elastic modulus, is a measure of the stiffness of a solid material.
Decipascal, GPa, Gigapascal, HPa, Hectopascal, Hectopascals, Hpascal, KPa, Kilopascal, Kilopascals, MPa, Megapascal, Micropascal, Millipascal, NPa, Nanopascal, Pascal (measurement), Pascal (pressure), Pascal unit, Pascals, Pascals (unit), Terapascal, ㍱, ㎩, ㎪, ㎫, ㎬.