propenal propelment • propend · · · Info · Definitions · Synonyms · Characters · · propenal · · Text Latin · · Script 8 · · Length 3 · · Syllables Definitions · · · (noun) a pungent colorless unsaturated liquid aldehyde made from propene. Synonyms: acrolein. · · Noun Definition 1 Synonyms · · · acrolein · · Synonym 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072