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toxicity

American  
[tok-sis-i-tee] / tɒkˈsɪs ɪ ti /

noun

  • toxicities
    plural
  1. the quality, relative degree, or specific degree of being toxic or poisonous.

    to determine the toxicity of arsenic.


toxicity British  
/ tɒkˈsɪsɪtɪ /

noun

  1. the degree of strength of a poison

  2. 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

Derived Forms

Inflected Forms

Nouns

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.

See Examples For:

New York Mayor Zohran Mamdani announced on Tuesday the release of tens of thousands of documents showing the city did not disclose all it knew about air toxicity after 9/11.

From Barron's Sep. 8, 2026

Social media is the new breeding ground for the kind of toxicity that the people mining Panettiere’s death for views purport to abhor.

From Salon Aug. 18, 2026

Once it becomes mobile in this way, it can spread through the environment and create problems because of its toxicity.

From Science Daily Aug. 9, 2026

Experts have ruled out lead toxicity and swallowed objects, but a diagnosis remains elusive.

From Los Angeles Times Jul. 29, 2026

Remarkably, considering its startling toxicity, lead solder was not removed from American food containers until 1993.

From "A Short History of Nearly Everything" by Bill Bryson

The study focuses on a new treatment approach that aims to harness the body's immune system to enhance patient responses and reduce the need for conventional chemotherapy and its associated toxicities.

From Science Daily Dec. 5, 2024

Babies were especially vulnerable to these toxicities, resulting in high rates of infants with birth defects and illnesses.

From Slate Sep. 29, 2024

But genetically modified wheat has never been grown for commercial purposes due to consumer fears that allergens or toxicities could emerge in a staple used worldwide for bread, pasta and pastries.

From Reuters Mar. 3, 2023

The company Fujifilm Irvine Scientific quietly recalled four production lots of the oil used to culture embryos on Jan. 16 after complaints of problems from clinics and its internal investigation discovered the toxicities.

From Los Angeles Times Feb. 16, 2023

About 10% of those who get checkpoint inhibitors are hospitalized with immune toxicities.

From Science Magazine Aug. 30, 2022

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