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.
Received-Pronunciation:/daɪˈɒksaɪd/
Southern-England:Recorded audio is listed in the source snapshot.
Atlantic-Canada, General-American:/daɪˈɑksaɪd/
Canada, dialectal:/daɪˈɒksaɪd/of the US
Australian:/dɑeˈɔksɑed/
New-Zealand:/daɪˈɒksaɪd/
New-Zealand:[dɑe̯ˈɔ̟ksɑe̯d]
Philippines:/ˈdaɪɔksaɪd/
rhymes with -ɒksaɪd
CMU ARPABET:D AY0 AA1 K S AY2 D
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
Any oxide containing two oxygen atoms in each molecule.
Definition source: English Wiktionary via Wiktextract
Etymology tree Proto-Indo-European *dwóh1 Proto-Indo-European *dwi- Proto-Hellenic *dwi- Ancient Greek δῐ- (dĭ-)bor. Latin di-bor. English di- Proto-Indo-European *h2eḱ-der.? Ancient Greek ὀξύς (oxús) Proto-Indo-European *ǵenh1- Proto-Indo-European *-os Proto-Indo-European *ǵénh1os Proto-Hellenic *génos Ancient Greek γένος (génos) French oxygène Proto-Indo-European *h2eḱ- Proto-Indo-European *-éh1ti Proto-Indo-European *-yeti Proto-Indo-European *-éh1yeti Proto-Indo-European *h2eḱéh1yeti Proto-Italic *akēō Latin aceō Proto-Indo-European *dheh1-der. Proto-Italic *-iðos Latin -idus Latin acidusbor. French acide blend French oxidebor. English oxide English dioxide From di- + oxide.
Across languages
Translations
32 source translations are retained for this English entry.
Armenian:
երկօքսիդ
(erkōkʻsid)
— any oxide containing two oxygen atoms in each molecule
Catalan:
diòxid
— any oxide containing two oxygen atoms in each molecule
Chinese Cantonese:
二氧化物
(ji6 joeng5 faa3 mat6)
— any oxide containing two oxygen atoms in each molecule
Chinese Mandarin:
二氧化物
(èryǎnghuàwù)
— any oxide containing two oxygen atoms in each molecule
Dutch:
dioxide
— any oxide containing two oxygen atoms in each molecule
Esperanto:
dioksido
— any oxide containing two oxygen atoms in each molecule
Estonian:
dioksiid
— any oxide containing two oxygen atoms in each molecule
Finnish:
dioksidi
— any oxide containing two oxygen atoms in each molecule
French:
dioxyde
— any oxide containing two oxygen atoms in each molecule
Georgian:
ორჟანგი
(oržangi)
— any oxide containing two oxygen atoms in each molecule
German:
Dioxid
— any oxide containing two oxygen atoms in each molecule
Greek:
διοξείδιο
(dioxeídio)
— any oxide containing two oxygen atoms in each molecule
Hungarian:
dioxid
— any oxide containing two oxygen atoms in each molecule
Ido:
dioxido
— any oxide containing two oxygen atoms in each molecule
Indonesian:
dioksida
— any oxide containing two oxygen atoms in each molecule
Irish:
dé-ocsaíd
— any oxide containing two oxygen atoms in each molecule
Italian:
diossido
— any oxide containing two oxygen atoms in each molecule
Italian:
biossido
— any oxide containing two oxygen atoms in each molecule
Japanese:
二酸化物
(nisankabutsu)
— any oxide containing two oxygen atoms in each molecule
Korean:
이산화물
(isanhwamul)
— any oxide containing two oxygen atoms in each molecule
Latvian:
dioksīds
— any oxide containing two oxygen atoms in each molecule
Malay:
dioksida
— any oxide containing two oxygen atoms in each molecule
Polish:
dwutlenek
— any oxide containing two oxygen atoms in each molecule
Portuguese:
bióxido
— any oxide containing two oxygen atoms in each molecule
Romanian:
bioxid
— any oxide containing two oxygen atoms in each molecule
Romanian:
dioxid
— any oxide containing two oxygen atoms in each molecule
Russian:
диокси́д
(dioksíd)
— any oxide containing two oxygen atoms in each molecule
Russian:
двуо́кись
(dvuókisʹ)
— any oxide containing two oxygen atoms in each molecule
Scottish Gaelic:
dà-ocsaid
— any oxide containing two oxygen atoms in each molecule
Spanish:
dióxido
— any oxide containing two oxygen atoms in each molecule
Swahili:
dioksidi
— any oxide containing two oxygen atoms in each molecule
Swedish:
dioxid
— any oxide containing two oxygen atoms in each molecule