D defs.my
Entry 1 sense Webster, 1913

inactivate

· IPA /ɪˈnæktɪveɪt/
01 v. t. to make inactive; as, boiling will inactivate most enzymes; acetylation of the antibiotic inactivated it.
imp. & p. p. inactivated; p. pr. & vb. n. inactivating
  1. 1.
    to make inactive; as, boiling will inactivate most enzymes; acetylation of the antibiotic inactivated it.
Syn. deactivate.