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Glite Dictionary
light intensity

light intensity

1 3.9
The amount of light you can see coming from a lamp or the sun in one direction
  • noun
  • /laɪt ɪnˈtɛnsɪti/
  • Specialized
translation icon : intensidad de luz
  • The device can accurately monitor light intensity in various environments for research purposes.
  • high light intensity
  • change in light intensity
  • square law of light intensity

We have a chart that's light intensity versus wavelength.

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Examples

  • This experiment relies on changes in light intensity to represent daytime and nighttime conditions.

    Academic text (2008)

  • And the light intensity, I said, was proportional to the current.

  • The difference in light intensity makes that an invalid comparison.

    Blog text (28)

  • I'd like to see ground-level measurements of light intensity to make a proper comparison.

    Blog text (17)

  • However, plants grown in DRPP exhibited higher capacity utilization at high light intensity.

    Academic text (2014)

  • Photocells register light intensity directly, and as a result, they are remarkably accurate but are adaptable over a much smaller range in brightness.

    Academic text (2004)

  • Cups were placed in incubators at 20°C and a photoperiod of 16:8 L:D with a light intensity of ca. 680 lux.

    Academic text (2018)

  • The scientists measured the light intensity to determine how it affected plant growth.

  • He adjusted the light intensity in the room to create a more comfortable atmosphere for reading.

Synonyms

brightness
vslight intensity
41 1.0

How much light something gives or how close it looks to white

is the precise directional measurable quantity expressed in candelas not mere appearance
candlepower
vslight intensity
  • Archaic
1 7.4

A measure of how bright a light is based on one candle

is the measurable amount of visible light measured by a unit not the unit name

How Bright

glare
37 3.3
bright
459 1.0
light intensity
  • Specialized
1 3.9
dim
62 1.0
darkness
534 1.0

Surface Forms

light intensity singular
light intensities plural

Morphology

light + intensity

The meaning is directly compositional: combining 'light' (visible electromagnetic brightness) with 'intensity' (measurable strength) yields 'the measurable strength of light.' This noun–noun technical phrase follows a transparent semantic pattern common across languages, so a B1 learner who knows both constituent words can reliably infer the meaning.

Etymology

Light intensity comes from the simple idea of how strong light is and why we call that strength intensity. Imagine a flashlight making a bright, focused beam; that beam has high 'light intensity', meaning the measured 'amount' or 'brightness' of light in a particular 'direction'.