adulterant
1. [ adjective ] making impure or corrupt by adding extraneous materials
Synonyms: adulterating
Examples:

"the adulterating effect of extraneous materials"

Related terms: purifying extraneous
2. [ noun ] any substance that adulterates (lessens the purity or effectiveness of a substance)
Synonyms: adulterator
Examples:

"it is necessary to remove the adulterants before use"

Related terms: substance adulterate
Similar spelling:   adulterate
  adulterator
  adulterated
  adulterer
  adulteration
  adulterating
  adultery
  adulterous
  adulterine
  adulteress
  adulate
  adulator
  adulterously
  adult_female
  adulatory
  adulthood
  adult_male
  adulation