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Short "hint"

n. - Equipment that measures the intensity of light; Instrument for measuring the luminous intensity of a source by comparing it with a standard source.

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Usage examples (34)
  • If the photometer were analog, you could remove the cover and feel the position of the needle.
  • The mission's science instrument, called a photometer, contains the largest camera ever flown in space -- its 42 charge-coupled devices
  • It's fitted with a specially-designed telescope called a photometer or light meter designed to detect small variations in the brightness of stars.
  • Its instrument is a specially designed telescope of 0.95 meters in diameter which is called a photometer or light meter, the largest ever flown in space.
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