toxicity

American

[tok-sis-i-tee] / tɒkˈsɪs ɪ ti /

noun

plural

toxicities

the quality, relative degree, or specific degree of being toxic or poisonous.

to determine the toxicity of arsenic.

toxicity British

/ tɒkˈsɪsɪtɪ /

noun

the degree of strength of a poison
the state or quality of being poisonous

"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

Other Word Forms

hypertoxicity noun
nontoxicity noun

Etymology

Origin of toxicity

First recorded in 1880–85; toxic + -ity

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"We saw total tumor regression and long-term prevention of recurrence, all without seeing any systemic toxicity."

From Science Daily

Microbial testing found bacterial colony levels remained within acceptable limits for non-antimicrobial biodegradable films, suggesting low toxicity.

From Science Daily

When configured properly, the same ingredients can deliver stronger effects with lower toxicity compared to unstructured mixtures.

From Science Daily

Although epibatidine has been investigated as a painkiller and for relief from painful inflammatory lung conditions, it is not used clinically because of its toxicity.

From BBC

"Dynamic tracking will help us move beyond simple exposure measurements toward a deeper understanding of toxicity mechanisms."

From Science Daily

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023