Standard Lemma guide

leucite

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • US: /ˈlusaɪt/
  • UK: /ˈluːsaɪt/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • homophone: Lucite

1

noun

Meaning 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.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: chemistry, geography, geology, mineralogy, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A leucoplast.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: biology, botany, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

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

Across languages

Translations

4 source translations are retained for this English entry.

  • Catalan: leucita — mineral
  • Finnish: leusiitti — mineral
  • French: leucite — mineral
  • Spanish: leucita — mineral