PHOTOMETER
photometer
(noun) measuring instrument for measuring the luminous intensity of a source by comparing it (visually or photoelectrically) with a standard source
Source: WordNet® 3.1
Etymology
Noun
photometer (plural photometers)
(physics) Any of several instruments used to measure various aspects of the intensity of light.
Hyponyms
• colorimetric photometer
• distribution photometer
• electronic photometer
• flame photometer
• flicker photometer
• grease spot photometer
• infrared photometer
• integrating-sphere photometer
• Joly photometer
• Kepler photometer
• light-distribution photometer
• photoelectric photometer
• photoemissive tube photometer
• shadow photometer
• spectrophotometer
• sphere photometer
• telephotometer
• ultraviolet photometer
• visual photometer
• wax-block photometer
• wedge photometer
Verb
photometer (third-person singular simple present photometers, present participle photometering, simple past and past participle photometered)
(astronomy) To measure some aspect of light (from a star) using a photometer.
Anagrams
• prototheme
Source: Wiktionary
Pho*tom"e*ter, n. Etym: [Photo- + -meter: cf. F. photomètre.]
(Physics)
Definition: An instrument for measuring the intensity of light, or, more
especially, for comparing the relative intensities of different
lights, or their relative illuminating power.
Source: Webster’s Unabridged Dictionary 1913 Edition