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toxicity

[tok-sis-i-tee]
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noun, plural tox·ic·i·ties.
  1. the quality, relative degree, or specific degree of being toxic or poisonous: to determine the toxicity of arsenic.
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Origin of toxicity

First recorded in 1880–85; toxic + -ity
Related formshy·per·tox·ic·i·ty, nounnon·tox·ic·i·ty, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for hypertoxicity

toxicity

noun
  1. the degree of strength of a poison
  2. the state or quality of being poisonous
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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 hypertoxicity

toxicity

1881, from toxic + -ity.

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Online Etymology Dictionary, © 2010 Douglas Harper

hypertoxicity in Medicine

toxicity

(tŏk-sĭsĭ-tē)
n.
  1. The quality or condition of being toxic.
  2. The degree to which a substance is toxic.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.