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
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.
UK:/ˈziːnɒn/
US:/ˈzinɑn/
US:/ˈzinən/
US:/ˈzɛnɑn/
US:Recorded audio is listed in the source snapshot.
US:Recorded audio is listed in the source snapshot.
US:Recorded audio is listed in the source snapshot.
rhymes with -iːnɒn
CMU ARPABET:Z IY1 N AA0 N
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
The chemical element (symbol Xe) with an atomic number of 54. It is a colorless, odorless, unreactive noble gas, used notably in camera flash technology.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable, usually
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
a colorless odorless inert gaseous element occurring in the earth's atmosphere in trace amounts
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: Xe, atomic number 54
Antonyms: none provided
Broader terms: chemical element, element, noble gas, inert gas, argonon
History
Etymology
From Ancient Greek ξένος (xénos, “foreign, strange”) + -on, used for all noble gases.
Across languages
Translations
76 source translations are retained for this English entry.
