noun
toxicity
tok-SIHS-uh-tee
noun
1
The degree to which a substance is poisonous or harmful.
"Scientists tested the toxicity of the new pesticide on fish."
"High toxicity levels in the soil forced the farm to close."
How to Use Toxicity
Learner’s notesIn plain EnglishHow poisonous or harmful something is.
Common pairings
low toxicity
toxicity levels
test for toxicity
Word Forms
toxicities plural
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Scientists tested the _____ of the new pesticide on fish.
Etymology
Formed from toxic plus the noun-forming suffix -ity, on the pattern of words like "density" or "purity."