perlite

Fetched 2026-10-26 (cache).

Synonyms: perite, penlite, perfite, pearlite, pelite, peelite

Antonyms: perite, penlite, perfite, pearlite, pelite, peelite

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|mineral}} An amorphous [[volcanic]] [[glass]] formed by the hydration of [[obsidian]].
2. The lightweight insulating material and [[aggregate]] resulting from expanding perlite glass by heat.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.