tox-

tox-

pref.

Variant of toxi-.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

tox-

,

toxic-

, before a consonant

toxo-

or

toxico-

prefix

combining form. indicating poison: toxalbumin.

[from Latin toxicum]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

tox-

var. of toxo- before a vowel: toxemia.

tox.

toxicology.

Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.