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scrambler (n.)
Related entries & more 1680s, "one who scrambles," in any sense; 1902, "that which scrambles;" agent noun from scramble (v.). By 1950 specifically of an electronic device to make sounds unintelligible.
1680s, "one who scrambles," in any sense; 1902, "that which scrambles;" agent noun from scramble (v.). By 1950 specifically of an electronic device to make sounds unintelligible.