The expression “coffee break” was first attested in 1952 in glossy magazine advertisements by the Pan-American Coffee Bureau.
HEULANDITE
heulandite
(noun) a group of minerals of the zeolite family consisting of a hydrous aluminum silicate of sodium and calcium
Source: WordNet® 3.1
Etymology
Noun
heulandite (countable and uncountable, plural heulandites)
(mineral) A common mineral of the zeolite group with monoclinic crystals, the most usual form being heulandite-Ca (Ca,Na)2-3Al3(Al,Si)2Si13O36·12H2O.
Source: Wiktionary
Heu"land*ite, n. Etym: [After Heuland, an English mineralogist.] (Min.)
Definition: A mineral of the Zeolite family, often occurring in amygdaloid, in foliated masses, and also in monoclinic crystals with pearly luster on the cleavage face. It is a hydrous silicate of alumina and lime.
Source: Webster’s Unabridged Dictionary 1913 Edition
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10 June 2025
COMMUNICATIONS
(noun) the discipline that studies the principles of transmiting information and the methods by which it is delivered (as print or radio or television etc.); “communications is his major field of study”
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