DIFFRACTIONS

Noun

diffractions

plural of diffraction

Source: Wiktionary


DIFFRACTION

Dif*frac"tion, n. Etym: [Cf. F. diffraction.] (Opt.)

Definition: The deflection and decomposition of light in passing by the edges of opaque bodies or through narrow slits, causing the appearance of parallel bands or fringes of prismatic colors, as by the action of a grating of fine lines or bars. Remarked by Grimaldi (1665), and referred by him to a property of light which he called diffraction. Whewell. Diffraction grating. (Optics) See under Grating.

– Diffraction spectrum. (Optics) See under Spectrum.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

6 March 2025

LEPTOMENINGES

(noun) the two innermost layers of the meninges; cerebrospinal fluid circulates between these innermost layers


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Coffee Trivia

The world’s most expensive coffee costs more than US$700 per kilogram. Asian palm civet – a cat-like creature in Indonesia, eats fruits, including select coffee cherries. It excretes partially digested seeds that produce a smooth, less acidic brew of coffee called kopi luwak.

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