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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BRIGHT
(adjective) made smooth and bright by or as if by rubbing; reflecting a sheen or glow; “bright silver candlesticks”; “a burnished brass knocker”; “she brushed her hair until it fell in lustrous auburn waves”; “rows of shining glasses”; “shiny black patents”
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