Allophane

//ˈæl.əˌfeɪn// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    An amorphous hydrous aluminium silicate clay mineral countable, uncountable

Etymology

From allo- + -phane.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.