sesquioxyde
French, noun\sɛs.kɥi.ɔk.sid\
sesquioxyde is spelled S-E-S-Q-U-I-O-X-Y-D-E (11 letters) and appears about once in every 52 million words in written French, the 229,021st most frequent French word form (wordfreq, 2021 data). Sesquioxyde is a French masculine noun meaning “sesquioxide (oxide)” (English Wiktionary, September 2026). The French Wiktionary (Wiktionnaire) defines it as “Composé qui comporte trois liaisons oxygène, soit un ion oxyde O²⁻ et demi par atome, soit trois atomes…”.
What does sesquioxyde mean in English?
noun
- 1
masculinesesquioxide (oxide)
Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).
How French dictionaries define it
noun: 1. Composé qui comporte trois liaisons oxygène, soit un ion oxyde O²⁻ et demi par atome, soit trois atomes d'oxydant pour deux atomes oxydés.
The definition in the French Wiktionary (Wiktionnaire), in French.
Source: French Wiktionary (Wiktionnaire), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
Forms of sesquioxyde
- sesquioxydes plural
Source: English Wiktionary and French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce sesquioxyde?
- \sɛs.kɥi.ɔk.sid\
Sources: English Wiktionary, French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
How common is sesquioxyde in French?
sesquioxyde appears about once in every 52 million words in written French.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).