Full Definition of FACET. 1. : a small plane surface (as on a cut gem) â see brilliant illustration. 2. : any of the definable aspects that make up a subject (as of contemplation) or an object (as of consideration). 3. : the external corneal surface of an ommatidium.
Definition of cyanide. 1  1 : a compound of cyanogen with a more electropositive element or group: such asa : potassium cyanideb : sodium cyanide. 2  2 : cyanogen 1.
Cyanide is a chemical that has gained infamy as one of the deadliest poisons with a long history in chemical warfare and mass suicide. Many compounds that contain cyanide â called cyanoglycosides â are found in nature, often in fruit seeds.Amygdalin is one of these. Apple seeds have a strong outer layer that is resistant to digestive juices. But if you chew the seeds, amygdalin could be released in the body and produce cyanide.any compounds that contain cyanide â called cyanoglycosides â are found in nature, often in fruit seeds. Amygdalin is one of these. Apple seeds have a strong outer layer that is resistant to digestive juices.