noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A mineral of silica-poor igneous, plutonic and volcanic rocks. Chemically, leucite is a potassium feldspar with insufficient silica to satisfy the chemical bonds. Because of the unfilled bonds, leucite weathers rapidly and can only be seen as inclusions in freshly broken rock. countable, uncountable
2. 2
   A leucoplast. countable, uncountable

Etymology

From Ancient Greek λευκός (leukós, “white”) + -ite.

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