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 ?
Market Opportunities: Mining Industry-Market Drivers Strategic factsheet of key metals and minerals (Boron, Feldspar, Pumice, Chromite & Gold) Product Overview Global Deposits Global Market Scenario Turkish Market Scenario Product Value chain Key Conclusions & Recommendations Why Turkey?
The Orion relayed the information to New Zealand navy vessel HMNZS Canterbury, which spotted the pumice late Thursday about 85 nautical miles west southwest of Raoul Island, one of the Kermadec Islands that lie 750 to 1,000 km northeast of New Zealand.
Apart from the WCRs that had been recording the VWC in the lysimeters since the start of the lysimeter experiment, in the Pumice and Gley lysimeters we also temporarily installed further WCRs to investigate the in-situ variation between WCR pairs.
Dry them and begin to file any hard skin on the sole of the foot using a foot file or pumice stone.
In addition to this natural approach, you can keep the skin on the soles of your feet healthy by using a file or pumice (try Boots Advanced Professional File, pounds 6.
As he chugged along, Cheyne noticed something extraordinary: holes--deep ones-in the pumice.
The review features insightful market information on pumice and pumicite production and supply volumes, demand and application trends, the price for the minerals during various periods, trade dynamics and profiles of major marketers.
It also features an acupressure massage surface to stimulate the soles of your feet and a pedicure feature with three attachments - rolling ball, pumice and brush.
Washington, Oct 5 (ANI): A new hypothesis on the origin of life has claimed that the pumice, a glassy, porous rock, may have given rise to early forms of life.
Make sure you use a pumice stone to remove hard skin that can harbour bacteria.
Soften and pamper hands and feet with this complete spa collection formulated with natural pumice to gently exfoliate, invigorating mint to soothe and replenish, and hydrating algae to nourish and protect.