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pumice 中文解釋 wordnet sense Collocation Usage Collins Definition
Verb
/ˈpəməs/,
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pumices, plural;
  1. Rub with pumice to smooth or clean

Noun
  1. A very light and porous volcanic rock formed when a gas-rich froth of glassy lava solidifies rapidly

  2. A piece of such rock or a similar substance used as an abrasive, esp. for removing hard skin

  1. a light glass formed on the surface of some lavas; used as an abrasive
  2. rub with pumice, in order to clean or to smoothen
  3. Pumice is a textural term for a volcanic rock that is a solidified frothy lava typically created when super-heated, highly pressurized rock is violently ejected from a volcano. It can be formed when lava and water are mixed. ...
  4. 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; To abrade or roughen with pumice
  5. A fine abrasive powder that is made from volcanic ash. Pumice is used with a a felt block in woodworking to rub out (polish) a finish. (Pumice is also the gritty additive in Lava soap.)
  6. Pumice is an igneous rock derived from lava. It is light and porous. Pumice was used as a building stone by the Romans and has been much-used in making grottos because it favour the growth of plants.
  7. Volcanic origin, used for its exfoliating action.
  8. Light-colored, frothy volcanic rock, usually of dacite or rhyolite composition, formed by the expansion of gas in erupting lava. Commonly seen as lumps or fragments of pea-size and larger, but can also occur abundantly as ash-sized particles.
  9. volcanic rock formed during the explosive eruption of magma; it has numerous gas bubbles and floats on water.
  10. A light vesicular form of volcanic glass with a high silica content; it is usually light in color and will float on water.
  11. Light rock froth produced by the violent separation of gas from lava. Because of the many gas bubbles, some of this froth is so light that it floats on water.
  12. A rock consisting of frothy natural glass.
  13. Volcanic glass, used in powdered form as pounce on parchment; in its consilidated form, it was employed to scrape parchment for reuse as a palimpsest.
  14. A light porous stone of mixed silicates.
  15. Crushed fermented fruit and sugar used to make brandy.
  16. Light-colored, vesicular (filled with small cavities formed by entrapment of gases) glassy rock, similar in composition to rhyolite.
  17. “pass the pumice, please.” [Homer to co-workers at work place's public shower]
  18. Porous volcanic rock. Pumice in a finely ground form is used soap, and sometimes in paste and powder.
  19. A light-colored, cellular, glassy volcanic rock, often sufficiently buoyant to float on water. al.)
  20. A light-colored volcanic rock containing lots of bubbles from trapped gases. This rock can sometimes float on water.
  21. Frothy (bubbly) pieces of lava.  Pumice has a density less than that of water – so it floats!
  22. A form of volcanic glass, usually of silicic composition, so filled with vesicles that it resembles a sponge and is very light.
  23. A type of lava that is porous and mostly glass. In solid form, it is used in powdered forms as an abrasive.
  24. A powerful exfoliant used in the powder form in our foot scrub. Perfect for combating dry, scaly feet!
  25. a highly porous and vesicular lava usually of relatively high silica content composed largely of glass drawn into approximately parallel or loosely entwined fibers, which themselves contain sealed vesicles.