The expression “coffee break” was first attested in 1952 in glossy magazine advertisements by the Pan-American Coffee Bureau.
METAMER
Etymology
Noun
metamer (plural metamers)
(chemistry) Any of a number of molecules that mutually exhibit metamerism.
Anagrams
• ammeter, ammetre
Source: Wiktionary
Met"a*mer, n. Etym: [See Metamere.] (Chem.)
Definition: Any one of several metameric forms of the same substance, or of different substances having the same composition; as, xylene has three metamers, viz., orthoxylene, metaxylene, and paraxylene.
Source: Webster’s Unabridged Dictionary 1913 Edition
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