the chemical element of atomic number 35, a dark red fuming toxic liquid with a choking, irritating smell. It is a member of the halogen group and occurs chiefly in the form of salts in seawater and brines. (Symbol: Br)
Origin:
early 19th century: from French brome, from Greek brōmos 'a stink', + -ine4
bromine in other Oxford dictionaries
Definition of bromine in the US English dictionary
