photometer
IPA: fʌtˈɑmɪtɝ
noun
- (physics) Any of several instruments used to measure various aspects of the intensity of light.
verb
- (astronomy) To measure some aspect of light (from a star) using a photometer.
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Examples of "photometer" in Sentences
- The photometer was use by the photographer.
- In modern cameras, the photometer is usually built in.
- Historically, a photometer was separate from the camera.
- Historically, a photometer was separated from the camera.
- The photometer must be spacebased to obtain this precision.
- This included new types of calorimeter and photometer detectors.
- A photometer is for measuring the light transparency of a substance.
- The optical depth of the atmosphere can be measured with a sun photometer.
- The Kepler photometer is the single instrument on NASA's Kepler spacecraft.
- An account is given of a test vessel, more specially for use in a photometer.
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