PUMICES

Verb

pumices

Third-person singular simple present indicative form of pumice

Source: Wiktionary


PUMICE

Pum"ice, n. Etym: [L. pumex, pumicis, prob. akin to spuma foam: cf. AS. pumic-stan. Cf. Pounce a powder, Spume.] (Min.)

Definition: A very light porous volcanic scoria, usually of a gray color, the pores of which are capillary and parallel, giving it a fibrous structure. It is supposed to be produced by the disengagement of watery vapor without liquid or plastic lava. It is much used, esp. in the form of powder, for smoothing and polishing. Called also pumice stone.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

25 November 2024

ONCHOCERCIASIS

(noun) infestation with slender threadlike roundworms (filaria) deposited under the skin by the bite of black fleas; when the eyes are involved it can result in blindness; common in Africa and tropical America


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