ACTINOMETER

actinometer

(noun) an instrument for measuring the intensity of electromagnetic radiation (usually by the photochemical effect)

Source: WordNet® 3.1


Etymology

Noun

actinometer (plural actinometers)

(physics) A device used to measure the heating power of electromagnetic radiation, especially that of solar radiation.

Anagrams

• interactome

Source: Wiktionary


Ac`ti*nom"e*ter, n. Etym: [Gr. -meter] (a) An instrument for measuring the direct heating power of the sun's rays. (b) An instrument for measuring the actinic effect of rays of light.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

19 March 2025

CLEVIS

(noun) a coupler shaped like the letter U with holes through each end so a bolt or pin can pass through the holes to complete the coupling; used to attach a drawbar to a plow or wagon or trailer etc.


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Coffee Trivia

The expression “coffee break” was first attested in 1952 in glossy magazine advertisements by the Pan-American Coffee Bureau.

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