1. a chemical compound containing carbon and nitrogen, especially a salt or ester of hydrocyanic acid; a poisonous substance used in industry and sometimes as a weapon
Usage: Also spelled 'cyanide' (more common modern spelling); Chemistry term; Highly toxic

Examples

• Cyanid is an extremely poisonous chemical that must be handled with great care.
• The laboratory stored cyanid in a secure, locked cabinet.
• Industrial processes sometimes use cyanid in metal extraction.
• Exposure to cyanid can be fatal even in small amounts.
• The chemist warned students never to touch cyanid without proper protective equipment.