Chem. 1. Also called sweet almond oil, expressed almond oil. a colorless to pale yellow fatty oil expressed from the seeds of the sweet almond, used in preparing perfumes and confections.
2. Also called bitter almond oil. a colorless to yellow, poisonous oil obtained by steam distillation from the almond meal of bitter almond seeds: used chiefly in the manufacture of cosmetics, medicines, and perfumes.