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pumice 音标拼音: [p'ʌməs]

n. 轻石,浮石
vt. 用浮石磨光

轻石,浮石用浮石磨光

WordNet (r) 3.0 (2006) (WordNet)

pumice
n 1: a light glass formed on the surface of some lavas; used as
an abrasive [synonym: {pumice}, {pumice stone}]
v 1: rub with pumice, in order to clean or to smoothen

The Collaborative International Dictionary of English v.0.48 (gcide)

Pumice \Pum"ice\, n. [L. pumex, pumicis, prob. akin to spuma
foam: cf. AS. pumic-st[=a]n. Cf. {Pounce} a powder, {Spume}.]
(Min.)
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}.
[1913 Webster]

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英文字典中文字典相关资料:

Pumice - Wikipedia
Scoria differs from pumice in being typically denser With larger vesicles and thicker vesicle walls, scoria often sinks but not always Some scoria especially if it is unusually vesicular or has thinner walls can float for brief periods The difference is the result of the lower viscosity of the magma that forms scoria [citation needed] Reticulite is a type of highly vesicular scoria that
Pumice: Formation, Properties, Uses, and Why It’s So Lightweight
Pumice is a lightweight volcanic rock formed by gas-rich eruptions Explore its formation, physical and chemical properties, and real-world uses
Pumice | Volcanic Glass, Uses, Formation, Properties | Britannica
Pumice, a very porous, frothlike volcanic glass that has long been used as an abrasive in cleaning, polishing, and scouring compounds It is also employed as a lightweight aggregate in precast masonry units, poured concrete, insulation and acoustic tile, and plaster Pumice is pyroclastic igneous
Pumice: Igneous Rock - Pictures, Definition More
Pumice is an extrusive igneous rock with a vesicular texture and very low specific gravity It is used to make lightweight concrete, abrasive products and more
Pumice: A Frothy, Light-Colored Volcanic Rock with Many Uses
Pumice is a textural term for low-density, highly vesiculated, or frothy volcanic rock with a mostly felsic or sometimes intermediate composition
Hess Pumice Products, Idaho USA
Hess Supplies Pumice Products to Industry Worldwide In the southeast corner of the state of Idaho lies a vast reserve of pure white pumice that is in demand all over the world That demand is the result of two factors: the quality, purity, and brightness of the pumice, and the company that mines and refines it: Hess Pumice WHY OUR PUMICE ABOUT
Amazon. com: Pumice
Find natural pumice products including foot scrubbers, toilet bowl cleaners, and soil additives Discover your perfect match
Pumice: Identification, Pictures, Info for Rockhounds
Pumice can be readily identified by its unique ability to float on water While pumice is a clearly defined rock type, it comes in many shapes and sizes and can sometimes be hard to distinguish from closely related rocks like scoria I’ll walk you through how to identify pumice, what it looks like, and where it can be found
Pumice and Pumicite Statistics and Information - USGS. gov
The main use for pumice is as an aggregate in lightweight building blocks and assorted building products The other major applications for pumice and pumicite include abrasive, absorbent, concrete aggregate and admixture, filter aid, horticultural (including landscaping), and the stonewashing of denim
What Is Pumice Used For? - Sciencing
Pumice is a naturally-occurring rock that has many practical applications It can be obtained in large chunks or thin powders While most of the world's supply of pumice is used in construction materials, it is also widely used as an abrasive in cleaning supplies both for personal use and for use around the home
What Is Pumice Used For? Benefits of Pumice for Plants
What is pumice used for? Discover how pumice for plants and pumice stone for plants enhance drainage, aeration, and moisture balance in garden soil

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