Standard Lemma guide

selenite

adj · noun · 4 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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /ˈsɛlɪnaɪt/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: S EH1 L IH0 N AY2 T Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Pertaining to the inhabitants of Luna (Lunarians/Selenites).

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: literature, media, publishing, science-fiction

Examples

  • a Selenite colony

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A soft, glassy form of gypsum (chemical formula CaSO4·2H2O).

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

3

noun

Meaning 3

The anion SeO32− derived from selenous acid; any salt or ester of selenous acid.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: chemistry, inorganic-chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

Synonym of Lunarian (“inhabitant of the Moon”).

Definition source: English Wiktionary via Wiktextract

Topics: literature, media, publishing, science-fiction

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Lunarian

Antonyms: none provided

History

Etymology

From Ancient Greek σεληνίτης (selēnítēs), from σελήνη (selḗnē, “moon”) + -ίτης (-ítēs, “belonging to”). By surface analysis, Selen(e) (“the Moon”) + -ite.

From Ancient Greek σελήνη (selḗnē, “moon”) + -ite; the chemistry sense comes via the name of the element selenium.

Across languages

Translations

21 source translations are retained for this English entry.

  • Bulgarian: селенит (selenit) — gypsum
  • Catalan: selenita — gypsum
  • Finnish: seleniitti — gypsum
  • French: sélénite — gypsum
  • German: Selenit — gypsum
  • German: Marienglas — gypsum
  • German: Frauenglas — gypsum
  • German: Spiegelstein — gypsum
  • Italian: selenite — gypsum
  • Latin: speculāris lapis — gypsum
  • Portuguese: selenita — gypsum
  • Portuguese: selenite — gypsum
  • Spanish: selenita — gypsum
  • Bulgarian: селенит (selenit) — from selenous acid
  • Finnish: seleniitti — from selenous acid
  • French: sélénite — from selenous acid
  • German: Selenit — from selenous acid
  • Irish: seiléinít — from selenous acid
  • Italian: selenito — from selenous acid
  • Kazakh: селенит (selenit) — from selenous acid
  • Spanish: selenito — from selenous acid