a compound of 3 atoms of bromine with another element or radical, as tribromide of boron.
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oxybromide1849
tribromide1866
bromal1875
1866 H. E. RoscoeLessons Elem. Chem. xvi. 142 Arsenic unites with chlorine, bromine, and iodine, to form arsenic trichloride, tribromide, and triiodide.