Definition of adulteration in English:

adulteration

noun

mass noun
  • The action of making something poorer in quality by the addition of another substance.

    ‘we're working on a new diagnostic test to more rapidly monitor food adulteration’
    figurative ‘the adulteration of culture’
    count noun ‘these adulterations may harm the therapeutic use of the oils’

Origin

Early 16th century: from Latin adulterat- ‘corrupted’, from the verb adulterare + -ion.

Pronunciation

adulteration

/ədʌlt(ə)ˈreɪʃ(ə)n/