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词汇 pumicite
释义

Definition of pumicite in English:

pumicite

noun ˈpʌmɪsʌɪt
Geology

  • A volcanic ash with a composition similar to pumice but deposited as powder or granules, widely used in the manufacture of lightweight concrete and for its abrasive properties; unconsolidated volcanic ash.

Origin

Early 20th century. From pumice + -ite. Perhaps compare French pumicite pumice.

Definition of pumicite in US English:

pumicite

nounˈpʌmɪsʌɪt
Geology

  • A volcanic ash with a composition similar to pumice but deposited as powder or granules, widely used in the manufacture of lightweight concrete and for its abrasive properties; unconsolidated volcanic ash.

Origin

Early 20th century. From pumice + -ite. Perhaps compare French pumicite pumice.
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