What does pumice mean?

Definitions for pumice
ˈpʌm ɪspumice

Here are all the possible meanings and translations of the word pumice.

Princeton's WordNet

  1. pumice, pumice stone(verb)

    a light glass formed on the surface of some lavas; used as an abrasive

  2. pumice(verb)

    rub with pumice, in order to clean or to smoothen

Wiktionary

  1. pumice(Noun)

    A light, porous type of pyroclastic igneous rock, formed during explosive volcanic eruptions when liquid lava is ejected into the air as a froth containing masses of gas bubbles. As the lava solidifies, the bubbles are frozen into the rock.

  2. pumice(Verb)

    To abrade or roughen with pumice.

  3. Origin: From pumex

Webster Dictionary

  1. Pumice(noun)

    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

  2. Origin: [L. pumex, pumicis, prob. akin to spuma foam: cf. AS. pumic-stn. Cf. Pounce a powder, Spume.]

Freebase

  1. Pumice

    Pumice is a volcanic rock that consists of highly vesicular rough textured volcanic glass, which may or may not contain crystals. It is typically light colored. Scoria is another vesicular volcanic rock that differs from pumice in having larger vesicles and thicker vesicle walls and being dark colored and denser. Pumice is created when super-heated, highly pressurized rock is violently ejected from a volcano. The unusual foamy configuration of pumice happens because of simultaneous rapid cooling and rapid depressurization. The depressurization creates bubbles by lowering the solubility of gases that are dissolved in the lava, causing the gases to rapidly exsolve. The simultaneous cooling and depressurization freezes the bubbles in the matrix.

Chambers 20th Century Dictionary

  1. Pumice

    pum′is, or pū′mis, n. a hard, light, spongy substance, formed of lava, from which gas or steam has escaped while hardening.—v.t. to polish or rub with pumice-stone—also Pū′micāte.—adjs. Pumi′ceous, Pum′iciform, of or like pumice.—ns. Pum′ice-stone (same as Pumice); Pū′my (Spens.), a pebble, stone. [A.S. pumic-(-stán), pumice (-stone)—L. pumex, pumicis, for spumexspuma, foam—spuĕre. Cf. Spume, and Pounce, a fine powder.]

Numerology

  1. Chaldean Numerology

    The numerical value of pumice in Chaldean Numerology is: 9

  2. Pythagorean Numerology

    The numerical value of pumice in Pythagorean Numerology is: 4

Images & Illustrations of pumice

  1. pumicepumicepumice

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Translations for pumice

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