alceno

== Portuguese == === Pronunciation === Hyphenation: al‧ce‧no === Noun === alceno m (plural alcenos) alkene (unsaturated aliphatic hydrocarbon with one or more carbon-carbon double bonds) Synonyms: alqueno, olefina === Further reading === “alceno”, in Dicionário Aulete Digital (in Portuguese), Rio de Janeiro: Lexikon Editora Digital, 2008–2026 “alceno”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026