paraldehyde paralaurionite • parale · · · Info · Definitions · Synonyms · Characters · · paraldehyde · · Text Latin · · Script 11 · · Length 4 · · Syllables Definitions · · · (noun) a colorless liquid (a cyclic trimer of acetaldehyde) that is used as a sedative and a solvent. Synonyms: ethanal trimer. · · Noun Definition 1 Synonyms · · · ethanal trimer · · Synonym 1 Characters · · a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 h latin small letter h U+0068 l latin small letter l U+006C p latin small letter p U+0070 r latin small letter r U+0072 y latin small letter y U+0079