Noun: adulterant u'dúl-tu-runt
- Any substance that lessens the purity or effectiveness of a substance
"it is necessary to remove the adulterants before use";
- adulterator
- Making impure or corrupt by adding extraneous materials
"the adulterant effect of extraneous materials";
- adulterating
Derived forms: adulterants
See also: extraneous, foreign
Antonym: purifying
Encyclopedia: Adulterant