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15 relations: Candela, Foot (unit), Horticulture, Illuminance, International System of Units, Latitude, Light, Lighting, Lumen (unit), Lux, Photometry (optics), Photosynthesis, Square foot, Sunlight, United States customary units.
Candela
The candela (or; symbol: cd) is the base unit of luminous intensity in the International System of Units (SI); that is, luminous power per unit solid angle emitted by a point light source in a particular direction.
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Foot (unit)
The foot (feet; abbreviation: ft; symbol: ′, the prime symbol) is a unit of length in the imperial and US customary systems of measurement.
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Horticulture
Horticulture is the science and art of growing plants (fruits, vegetables, flowers, and any other cultivar).
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Illuminance
In photometry, illuminance is the total luminous flux incident on a surface, per unit area.
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International System of Units
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.
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Latitude
In geography, latitude is a geographic coordinate that specifies the north–south position of a point on the Earth's surface.
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Light
Light is electromagnetic radiation within a certain portion of the electromagnetic spectrum.
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Lighting
Lighting or illumination is the deliberate use of light to achieve a practical or aesthetic effect.
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Lumen (unit)
The lumen (symbol: lm) is the SI derived unit of luminous flux, a measure of the total quantity of visible light emitted by a source.
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Lux
The lux (symbol: lx) is the SI derived unit of illuminance and luminous emittance, measuring luminous flux per unit area.
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Photometry (optics)
Photometry is the science of the measurement of light, in terms of its perceived brightness to the human eye.
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Photosynthesis
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms' activities (energy transformation).
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Square foot
The square foot (plural square feet; abbreviated sq ft, sf, ft2) is an imperial unit and U.S. customary unit (non-SI, non-metric) of area, used mainly in the United States and partially in Bangladesh, Canada, Ghana, Hong Kong, India, Malaysia, Nepal, Pakistan, Singapore and the United Kingdom.
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Sunlight
Sunlight is a portion of the electromagnetic radiation given off by the Sun, in particular infrared, visible, and ultraviolet light.
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United States customary units
United States customary units are a system of measurements commonly used in the United States.
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