Origin of toxicology

First recorded in 1790–1800; toxico- + -logy
Related formstox·i·co·log·i·cal [tok-si-kuh-loj-i-kuh l] /ˌtɒk sɪ kəˈlɒdʒ ɪ kəl/, tox·i·co·log·ic, adjectivetox·i·co·log·i·cal·ly, adverbtox·i·col·o·gist, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for toxicology


  1. the branch of science concerned with poisons, their nature, effects, and antidotes
Derived Formstoxicological (ˌtɒksɪkəˈlɒdʒɪkəl) or toxicologic, adjectivetoxicologically, adverbtoxicologist, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for toxicology

1839, from French toxicologie (1812), from comb. form of Greek toxikon "arrow poison" (see toxic) + -logia (see -logy).

Online Etymology Dictionary, © 2010 Douglas Harper

toxicology in Medicine


  1. The study of the nature, effects, and detection of poisons and the treatment of poisoning.
Related formstox′i•co•logi•cal (-kə-lŏjĭ-kəl) null adj.tox′i•colo•gist n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

toxicology in Science


  1. The scientific study of poisons, of their effects and detection, and of the treatment of poisoning.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.