toxify
verbEtymology Attested since 1917, apparently a back-formation from detoxify. (attested since 1905). Equivalent to tox- + -ify.
1
To make or render toxic.
- The experiments made with this objective showed that agar-gel could toxify a rat serum which had been heated at 45 an 50 C. for half an hour.1917 June 23, F. G Novy, P. H. DeKruif, “Nonspecific anaphylactic shock in sensitized rats”, in The Journal of Infectious Diseases, number 6, page 819: