The expression “coffee break” was first attested in 1952 in glossy magazine advertisements by the Pan-American Coffee Bureau.
SAPONIFICATION
saponification
(noun) a chemical reaction in which an ester is heated with an alkali (especially the alkaline hydrolysis of a fat or oil to make soap)
Source: WordNet® 3.1
Etymology
Noun
saponification (countable and uncountable, plural saponifications)
(chemistry) The hydrolysis of an ester under basic conditions to form an alcohol and the salt of the acid.
The reaction of a metallic alkali (base) with a fat or oil to form soap.
Source: Wiktionary
Sa*pon`i*fi*ca"tion, n. Etym: [Cf. F. saponification. See Saponify.]
Definition: The act, process, or result, of soap making; conversion into soap; specifically (Chem.), the decomposition of fats and other ethereal salts by alkalies; as, the saponification of ethyl acetate.
Source: Webster’s Unabridged Dictionary 1913 Edition
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Word of the Day
24 December 2024
INTUITIVELY
(adverb) in an intuitive manner; “inventors seem to have chosen intuitively a combination of explosive and aggressive sounds as warning signals to be used on automobiles”
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