toxo-

Also especially before a vowel, tox-.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for tox-

tox-

toxic-, before a consonant toxo- or toxico-

prefix
  1. combining form. indicating poisontoxalbumin

Word Origin for tox-

from Latin toxicum
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

tox- in Medicine

tox-

pref.
  1. Variant oftoxi-

toxo-

pref.
  1. Variant oftoxi-
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.