adulterant (adj.)

  1. making impure or corrupt by adding extraneous materials; the adulterating effect of extraneous materials

    [ Syn: adulterating ]

    adulterant (n.)

  1. any substance that lessens the purity or effectiveness of a substance; it is necessary to remove the adulterants before use

    [ Syn: adulterator ]

The dictionary is based on the WordNet Electronic Lexical Database.
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