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Medical Definition of Gold colloid
1. A purplish suspension of minute particles of metallic gold, made by reducing a solution of bromauric acid or other acid or salt of gold. It is used as a probe in immunochemistry. (12 Dec 1998)
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1. A purplish suspension of minute particles of metallic gold, made by reducing a solution of bromauric acid or other acid or salt of gold. It is used as a probe in immunochemistry. (12 Dec 1998)