Entry 1 sense Webster, 1913 Larixinic · Lar·ix·in·ic · IPA /læɹɪkˈsɪnɪk/ 01 a. Of, or derived from, the larch (Larix); as, larixinic acid. 1. Of, or derived from, the larch (Larix); as, larixinic acid.(Chem.)