ERIOMETER

Etymology

Noun

eriometer (plural eriometers)

An optical device used to measure the diameters of fibres such as wool

Source: Wiktionary


E`ri*om"e*ter, n. Etym: [Gr. -meter.] (Opt.)

Definition: An instrument for measuring the diameters of minute particles or fibers, from the size of the colored rings produced by the diffraction of the light in which the objects are viewed.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Coffee Trivia

There are four varieties of commercially viable coffee: Arabica, Liberica, Excelsa, and Robusta. Growers predominantly plant the Arabica species. Although less popular, Robusta tastes slightly more bitter and contains more caffeine.

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