| ̷ ̷ ̷ ̷| ̷ ̷_nik- noun
Etymology: International Scientific Vocabulary, anagram of aconitic
: a crystalline dicarboxylic acid HOOCC( . CH 2 )CH 2 COOH obtained by decomposing aconitic acid or usually by fermentation of sugars with molds of the genus Aspergillus and used as a monomer for both vinyl-type polymers and polyesters; methylene-succinic acid