Wiktionary
n. 1 (context organic compound uncountable English) A chemical compound (C6H5CHO) consisting of a benzene ring with an aldehyde substituent. 2 (context countable English) Any of various derivatives of benzaldehyde.
Wikipedia
Benzaldehyde (CHCHO) is an organic compound consisting of a benzene ring with a formyl substituent. It is the simplest aromatic aldehyde and one of the most industrially useful.
This colorless liquid has a characteristic almond-like odor. Benzaldehyde is the primary component of bitter almond oil and can be extracted from a number of other natural sources. Synthetic benzaldehyde is the flavoring agent in imitation almond extract, which is used to flavor cakes and other baked goods.
Usage examples of "benzaldehyde".
The Bitter Almond seed also contains a ferment Emulsin, which in presence of water acts on the soluble glucoside Amygdalin yielding glucose, prussic acid and the essential oil of Bitter Almonds, or Benzaldehyde, which is not used in medicine.