- a colorless or yellowish, water-soluble, volatile oil, C7H6O, having a bitter, almondlike odor, used chiefly in the organic synthesis of dyes, perfumes, and flavors, and as a solvent; artificial oil of bitter almond.
- a yellowish fragrant volatile oil occurring in almond kernels and used in the manufacture of dyes, perfumes, and flavourings and as a solvent for oils and resins. Formula: C 6 H 5 CHO
