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perlite

“perlite” is a French word. Its meaning in English:

noun

  1. perlite

In French

  1. Silice, feldspath, d'origine volcanique, formée par hydratation de l'obsidienne.
  2. Mélange eutectoïde de lamelles de ferrite et de cémentite, elle provient du dédoublement à 700°C de l'austénite au cours du refroidissement de l'acier.
  3. Nom donné en Italie à un puissant explosif nommé mélinite en France.
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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence. Definitions in French are from the French Wiktionary, under the same licence.