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
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Received-Pronunciation:/ˌɒkəlˈteɪʃ(ə)n/
General-American:/ˌɑkəlˈteɪʃ(ə)n/
Australia:Recorded audio is listed in the source snapshot.
1
noun
Meaning 1
An astronomical event that occurs when one celestial object is hidden by another celestial object that passes between it and the observer when the nearer object appears larger and completely hides the more distant object.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: astronomy, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: eclipse
Antonyms: none provided
2
noun
Meaning 2
The state of being occult (“hidden, undetected”).
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: hiddenness, invisibility, occultness
Antonyms: none provided
3
noun
Meaning 3
The disappearance of the Twelfth Imam, or Mahdi, who is believed alive and present in this world, but hidden until his reappearance at the end of time.
Definition source: English Wiktionary via Wiktextract
Usage: Shia, countable, uncountable
Topics: Islam, lifestyle, religion
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
one celestial body obscures another
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: eclipse
Antonyms: none provided
Broader terms: interruption, break
Narrower terms: solar eclipse, lunar eclipse, total eclipse, partial eclipse
History
Etymology
From Latin occultātiōnem, accusative singular of occultātiō (“concealment; insinuation”), from occultāre, present active infinitive of occultō (“to conceal, hide”); analysable as occult + -ation.
Across languages
Translations
50 source translations are retained for this English entry.