cyclopentadiène

== French == === Etymology === From cyclo- +‎ pentadiène. === Pronunciation === IPA(key): /si.klɔ.pɛ̃.ta.djɛn/ === Noun === cyclopentadiène m (plural cyclopentadiènes) (organic chemistry) cyclopentadiene ==== Derived terms ==== cyclopentadiényle === Further reading === “cyclopentadiène”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012