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bromine, Br, atomic number 35 | a nonmetallic heavy volatile corrosive dark brown liquid element belonging to the halogens; found in sea water | ||
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Red Brigades, Brigate Rosse, BR | [in terrorism] a Marxist-Leninist terrorist organization that arose out of a student protest movement in the late 1960s; wants to separate Italy from NATO and advocates violence in the service of class warfare and revolution; mostly inactive since 1989 |