Definition of Photometer

1. Noun. Measuring instrument for measuring the luminous intensity of a source by comparing it (visually or photoelectrically) with a standard source.




2. Noun. Photographic equipment that measures the intensity of light.
Exact synonyms: Exposure Meter, Light Meter
Specialized synonyms: Cytophotometer
Generic synonyms: Photographic Equipment

Definition of Photometer

1. n. An instrument for measuring the intensity of light, or, more especially, for comparing the relative intensities of different lights, or their relative illuminating power.

Definition of Photometer

1. Noun. (physics) Any of several instruments used to measure various aspects of the intensity of light. ¹

2. Verb. (astronomy) To measure some aspect of light (from a star) using a photometer. ¹

¹ Source: wiktionary.com

Definition of Photometer

1. [n -S]

Medical Definition of Photometer

1. An instrument for measuring the intensity of light, or, more especially, for comparing the relative intensities of different lights, or their relative illuminating power. Origin: Photo: cf. F. Photometre. (24 Mar 1998)

Photometer Pictures

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Lexicographical Neighbors of Photometer

photomania
photomanipulation
photomap
photomapped
photomapping
photomaps
photomask
photomasks
photomechanical
photomechanically
photomechanics
photomechanochemistry
photomedicine
photomeson
photomesons
photometer (current term)
photometered
photometering
photometers
photometric
photometrical
photometrically
photometrician
photometricians
photometries
photometrist
photometry
photomicrograph
photomicrographs
photomicrography

Literary usage of Photometer

Below you will find example usage of this term as found in modern and/or classical literature:

1. A Dictionary of Electrical Words, Terms and Phrases by Edwin James Houston (1903)
"photometer, Actinic A photometer in which the intensity of any light is ... (See photometer.) In some actinic photometers the intensity of the light to be ..."

2. Experimental Electrical Engineering and Manual for Electrical Testing for by Vladimir Karapetoff (1910)
"If the Matthews photometer is used, the mirrors in the upper quadrant are ... In using the Ulbricht photometer, a horizontal segment of the sphere is ..."

3. Transactions of the American Institute of Electrical Engineers by American Institute of Electrical Engineers (1904)
"AN INTEGRATING photometer FOR GLOW LAMPS AND SOURCES OF LIKE INTENSITY. ... As a simple photometer for any unidirectional measurements, such as occur in ..."

4. A Handbook of Physics Measurements by Ervin Sidney Ferry, Oscar William Silvey, George William Sherman, David Christie Duncan (1918)
"With this value, together with the readings on the photometer bar, compute, by means of (120), the actual candle power of the gas flame. ..."

5. A Treatise on Light by Robert Alexander Houstoun (1915)
"A photometer bench can be used to measure the fraction of light transmitted by a ... Let the distance from the photometer of one oí these lamps be rfj. ..."

6. A Handbook of Physics Measurements by Ervin Sidney Ferry, Oscar William Silvey, George William Sherman, David Christie Duncan (1918)
"With this value, together with the readings on the photometer bar, compute, by means of (120), the actual candle power of the gas flame. ..."

7. Abstracts of the Papers Printed in the Philosophical Transactions of the by Royal Society (Great Britain) (1833)
"On a new photometer, with its application to determine the relative Intensities of Artificial Light, %c. By William Ritchie, AM, Rector of the Academy at ..."

8. Scientific papers of the Bureau of Standards by United States National Bureau of Standards (1911)
"As it is desirable to photometer the pentane lamp at the standard distance of ... AS CONSTRUCTED FOR USE WITH AN INTEGRATING photometer In the case of some ..."

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