English Explanatory Dictionary

perlite

English dictionary entry

Meanings

noun
  1. An amorphous volcanic glass formed by the hydration of obsidian.
  2. The lightweight insulating material and aggregate resulting from expanding perlite glass by heat.

Word forms

perlite perlites

Etymology

From French perle (“pearl”) + -ite.

Synonyms

pearlstone

Derived words

perlitic

Translations

Catalan: perlita Chinese Mandarin: 珍珠岩 Finnish: perliitti French: perlite German: Perlit Greek: περλίτης Indonesian: perlit Italian: perlite Polish: perlit Portuguese: perlita Romanian: perlită Spanish: perlita Turkish: perlit
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