pumice

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pumice

 [pum´is]
a substance consisting of silicates of aluminum, potassium, and sodium; used in dentistry as an abrasive.

pum·ice

(pŭm'is),
Volcanic cinders ground to particles of varying sizes; used in dentistry for polishing restorations or teeth; an abrasive.
[L. pumex (pumic-), a pumice stone]

pumice

/pum·ice/ (pum´is) a very light, hard, rough, porous, grayish powder consisting of silicates of aluminum, potassium, and sodium; used in dentistry as an abrasive.

pumice

[pum′is]
Etymology: L, pumex
a finely divided volcanic rock used in powdered or solid form for smoothing or polishing surfaces.

pum·ice

(pŭm'is)
Volcanic cinders ground to particles of varying sizes; used in dentistry for polishing restorations or teeth; an abrasive.
[L. pumex (pumic-), a pumice stone]

pumice (pum´is),

n a type of volcanic glass used as an abrasive. It is prepared in various grits and is used for finishing and polishing in dentistry. It is also used in the polishing of natural teeth during a coronal polish but is being replaced by less abrasive synthetic particles in some polishing pastes. See also polishing, coronal.

pumice

a substance consisting of silicates of aluminum, potassium and sodium; used in dentistry as an abrasive.

pumice-stone lung
microlithiasis alveolaris pulmonum.
References in periodicals archive ?
A 20 yard roll of fabric, generally 62 inches in width, is put into a 250 pound washing machine along with pumice stones (best results are obtained when the washer is filled to 35 percent capacity).
Rite Aid carries more than a 100 bath products, including sea salts, scrubs and sprays, and an assortment of bath accessories, like loofahs, bath pillows, and pumice stones.
The new Amope(TM) Pedi Perfect(TM) is an electronic foot file that is now available in the United States C goodbye pumice stones for your feet
But earthquakes gave way to a hail of pumice stones and rocks as Mount Vesuvius began its destructive eruption.
There have been cases where people have tried to get it off with solvents or pumice stones because they are desperate but it goes right down to your living skin layer, which doctors say can take three months to get rid of.
There's also an assortment of bath accessories, including loofahs, bath pillows, scalp massagers, and pumice stones.