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A toxic gas, CH3Br, used as a fumigant.
(Elements & Compounds) a colourless poisonous gas or volatile liquid with an odour resembling that of chloroform, used as a solvent and extinguishant. Formula: CH3Br
a colorless, poisonous gas, CH3Br, used as a solvent, refrigerant, and fumigant, and in organic synthesis.