Englishfor English speakers
acute
Adjective
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If an angle is acute, it is less than 90 degrees in size.
I had to measure the size of the acute angle in math class. It was 35 degrees in size.
pesticide
Noun
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Pesticide is a chemical that kills insects or other small living things dangerous to plants.
toxicity
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noun
the degree to which something is poisonous
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noun
(= perniciousness)
grave harmfulness or deadliness