pumiceous
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Pumiceous — Pu*mi ceous, a. [L. pumiceus.] Of or pertaining to pumice; resembling pumice. [1913 Webster] … The Collaborative International Dictionary of English
pumiceous — adjective see pumice … New Collegiate Dictionary
pumiceous — pu·mi·ceous … English syllables
pumiceous — pyüˈmishəs adjective Etymology: Latin pumiceus, from pumicpumex pumice + eus eous 1. : of, relating to, or consisting of pumice 2. : resembling pumice in structure … Useful english dictionary
pumice — pumiceous /pyooh mish euhs/, adj. pumicer, n. /pum is/, n., v., pumiced, pumicing. n. 1. Also called pumice stone. a porous or spongy form of volcanic glass, used as an abrasive. v.t. 2. to rub, smooth, clean, etc., with pumice. [bef. 1000; < L… … Universalium
Tuff — (from the Italian tufo ) is a type of rock consisting of consolidated volcanic ash ejected from vents during a volcanic eruption. Tuff should not be confused with tufa , another type of rock. Volcanic ashThe products of a volcanic eruption are… … Wikipedia
Mount Pleasant Caldera — Elevation approx. 248 m (814 ft) Listing List of volcanoes in Canada … Wikipedia
pumice — noun Etymology: Middle English pomis, from Anglo French pomice, from Latin pumic , pumex more at foam Date: 15th century a volcanic glass full of cavities and very light in weight used especially in powder form for smoothing and polishing •… … New Collegiate Dictionary
Pumice — is a textural term for a volcanic rock that is a solidified frothy lava composed of highly microvesicular glass pyroclastic with very thin, translucent bubble walls of extrusive igneous rock. It is commonly, but not exclusively of silicic or… … Wikipedia
Newberry Volcano — Paulina Peak Newberry Caldera, with Paulina Lake, East Lake, and Big Obsidian Flow Elevation … Wikipedia
