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]

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]
References in periodicals archive ?
The pair explained that the pumice rocks, which ranged from the size of a marble to that of a basketball, were porous and floated like an iceberg, with 10 percent above water and 90 percent below.
According to Professor Bryan, the pumice raft will hit Australian shores in about seven or eight months time, bringing with it billions of marine organisms.
In this study, it was aimed to solve the waste ash problem emerging from coal, which is used for producing energy in the industry and thermal power plants, as well as producing lightweight building materials by evaluating the utilization efficiency of BA, FA, pumice, and cement.
Pumice was provided by Kayseri-Basakpinar in Turkey and the chemical composition was 69.27% Si[O.sub.2], 22.1% [Al.sub.2][O.sub.3], 3.89% [K.sub.2]O, 3.61% [Na.sub.2]O, 2.90% [Fe.sub.2][O.sub.3], 1.82% CaO and small amounts of Mg, Ti, S, P, Mn, Ba, Zr, Cr and Zn.
In addition, soaking in water and rubbing the wet feet with a pumice stone is recommended to remove dead and friable skin so that cracks and subsequent infections are prevented.
ZERO(R)Atechnology recycles 100% of the water used, eliminating the need for water treatment and also the use of pumice stone.
Results: All specimens collected were contaminated either by bacteria or fungi and both pumice powder and rag wheel specimens were contaminated by 80% of gram positive bacilli and 40% of fungus Aspergillus species.
Succulents do well on a blend of one part pumice to four parts soil.
"Havre probably has an eruption frequency of maybe one of these type of eruptions every 10,000 years, so it's just our luck I guess that it erupted and we saw satellite images and we've also got pumice," she said.
Kiss My Face Peppermint Foot Scrub ($8.95) has natural exfoliating properties; it is packed with walnut shells and pumice to polish the skin.
Corns can be treated with corn plasters - they contain salicylic acid, which softens and breaks down the hard skin, which can then be removed with an emery board or pumice stone.
Edgar 10 D; Vitamin 9 Belgium; 8 Pumice; 7 Club; Buyers Dallas 6 Liberty; of Statue The 5 Orczy; Baroness 4 Zero; 3 Mountaineering; 2 Madrid; 1 ANSWERS: