ABSORPTANCE

Etymology

Noun

absorptance (plural absorptances)

(optics, physics) Absorbed radiation and incident radiation in a ratio format; a measurement that shows how well a surface absorbs radiation. [First attested in the mid 20th century.]

Source: Wiktionary



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Word of the Day

5 February 2025

CARE

(noun) activity involved in maintaining something in good working order; “he wrote the manual on car care”


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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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