Real Dictionary

bromine in American English
a chemical element, one of the halogens, usually in the form of a reddish-brown, corrosive liquid, that volatilizes to form a vapor that has an unpleasant odor and is very irritating to mucous membranes: used in making dyes, in photography, and, in the fo
noun: an element that is a dark-reddish, fuming, toxic liquid and a member of the halogen family: obtained from natural brines and ocean water, and used chiefly in the manufacture of gasoline antiknock compounds, pharmaceuticals, and dyes; at. wt.: 79.909; at.

bromine in British English
noun: a pungent dark red volatile liquid element of the halogen series that occurs in natural brine and is used in the production of chemicals, esp ethylene dibromide. Symbol: Br; atomic no: 35; atomic wt: 79.904; valency: 1, 3, 5, or 7; relative density 3.12;