OPEIDOSCOPES

Noun

opeidoscopes

plural of opeidoscope

Source: Wiktionary


OPEIDOSCOPE

O*pei"do*scope, n. Etym: [Gr. -scope.] (Physics)

Definition: An instrument, consisting of a tube having one end open and the other end covered with a thin flexible membrance to the center of which is attached a small mirror. It is used for exhibiting upon a screen, by means of rays reflected from the mirror, the vibratory motions caused by sounds produced at the open end of the tube, as by speaking or singing into it. A. E. Dolbear.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

20 April 2025

SALAD

(noun) food mixtures either arranged on a plate or tossed and served with a moist dressing; usually consisting of or including greens


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Coffee Trivia

Brazil is the largest coffee producer in the world. Each year Brazil exports more than 44 million bags of coffee. Vietnam follows at exporting over 27 million bags each year.

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