A resinous substance, dry and brittle, obtained from Styrax benzoin, a tree of Sumatra, Java, etc., having a fragrant odor, and slightly aromatic taste. It is used in the preparation of benzoic acid, in medicine, and as a perfume.

(organic chemistry) An impure benzene (mixed with toluene etc), used in the arts as a solvent, and for various other purposes. / (organic chemistry, obsolete) benzyl alcohol

benzene / any flammable petroleum distillate used as a solvent or fuel

(organic chemistry) An aromatic hydrocarbon of formula C₆H₆ whose structure consists of a ring of alternate single and double bonds.

(organic chemistry) A white crystalline organic acid, C₆H₅COOH; the simplest aromatic carboxylic acid; used as a food preservative and in many other industrial applications.

(organic chemistry) Any salt or ester of benzoic acid.

(chemistry) the calcium salt of benzoic acid

(organic chemistry) The potassium salt of benzoic acid.

(chemistry) The sodium salt of benzoic acid.

(organic chemistry, uncountable) A chemical compound (C₆H₅CHO) consisting of a benzene ring with an aldehyde substituent. / (countable) Any of various derivatives of benzaldehyde.