adulterant

英[ə'dʌltərənt] 美[ə'dʌltərənt]
  • adj. 搀杂用的
  • n. 搀杂物
Noun:
  1. any substance that lessens the purity or effectiveness of a substance;

    "it is necessary to remove the adulterants before use"

Adjective:
  1. making impure or corrupt by adding extraneous materials;

    "the adulterating effect of extraneous materials"