Source : Webster's Revised Unabridged Dictionary (1913)

Toxicological \Tox`i*co*log"ic*al\, a. [Cf.F. toxicologique. ]
   Of or pertaining to toxicology. -- {Tox`i*co*log"ic*al*ly},
   adv.

Source : WordNet®

toxicological
     adj : of or relating to toxicology [syn: {toxicologic}]