cétène
French, noun/se.tɛn/
cétène is spelled C-É-T-È-N-E (6 letters). Cétène is a French masculine noun meaning “ketene” (English Wiktionary, September 2026). The French Wiktionary (Wiktionnaire) defines it as “Composé éthylique, gaz toxique de formule semi-développée H₂C=C=O, instable dans les conditions normales de…”.
What does cétène mean in English?
noun
- 1
masculineketene
Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).
How French dictionaries define it
noun: 1. Composé éthylique, gaz toxique de formule semi-développée H₂C=C=O, instable dans les conditions normales de température et de pression.
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 cétène
- cétènes plural
Source: English Wiktionary and French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce cétène?
- /se.tɛn/
- \se.tɛn\
Sources: English Wiktionary, French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.