perlite

English

Etymology

From French perle (“pearl”) + -ite

Noun

perlite (plural perlites)

  1. (mineralogy) An amorphous volcanic glass formed by the hydration of obsidian.
  2. The lightweight insulating material and aggregate resulting from expanding perlite glass by heat.
    • 1928, Lawrence R. Bourne, chapter 4, in Well Tackled!‎:
      Technical terms like ferrite, perlite, graphite, and hardenite were bandied to and fro, and when Paget glibly brought out such a rare exotic as ferro-molybdenum, Benson forgot that he was a master ship-builder, […]

Translations

Anagrams

Italian

Etymology

perla +‎ -lite

Noun

perlite f (plural perliti)

  1. (mineralogy) perlite

Latin

Participle

perlite

  1. vocative masculine singular of perlitus
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