adulterant

Plural: adulterants

Noun

• any substance that lessens the purity or effectiveness of a substance
  • "it is necessary to remove the adulterants before use"
• That which adulterates, or reduces the purity of something.

Adjective

• making impure or corrupt by adding extraneous materials

Synonyms

adulterating, adulterator, cut, mix

Antonyms

purifying

Related Words

additive, adulterer, contaminant, dilutant, filler