noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A monoclinic-domatic clay mineral containing aluminum, hydrogen, oxygen, and silicon. countable, uncountable

Synonyms

All synonyms

endellite

Etymology

From Belgian geologist Omalius d'Halloy + -ite.

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