In 1511, leaders in Mecca believed coffee stimulated radical thinking and outlawed the drink. In 1524, the leaders overturned that order, and people could drink coffee again.
BIPRISM
biprism
(noun) an optical device for obtaining interference fringes
Source: WordNet® 3.1
Etymology
Noun
biprism (plural biprisms)
(mathematics) A fusion of two triangular prisms
(physics) An optical device of this construction used to generate interference fringes
Source: Wiktionary
Bi"prism, n. [Pref. bi- + prism.]
1.
Definition: A prism whose refracting angle is very nearly 180 degrees.
2. A combination of two short rectangular glass prisms cemented together at their diagonal faces so as to form a cube; -- called also optical cube. It is used in one form of photometer.
Source: Webster’s Unabridged Dictionary 1913 Edition
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Word of the Day
23 June 2025
PEOPLE
(noun) members of a family line; “his people have been farmers for generations”; “are your people still alive?”
Coffee Trivia
