The expression “coffee break” was first attested in 1952 in glossy magazine advertisements by the Pan-American Coffee Bureau.
actinometer
(noun) an instrument for measuring the intensity of electromagnetic radiation (usually by the photochemical effect)
Source: WordNet® 3.1
actinometer (plural actinometers)
(physics) A device used to measure the heating power of electromagnetic radiation, especially that of solar radiation.
• 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
19 March 2025
(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.
The expression “coffee break” was first attested in 1952 in glossy magazine advertisements by the Pan-American Coffee Bureau.