IPA: /tɒkˈsɪtɪti/
KK: /tɑkˈsɪtɪ/
The level or amount of poison in a substance that can cause harm to living things.
The toxicity of the chemical was tested to ensure it was safe for use.
Toxicity → It is formed from "toxicum" (from Latin, meaning poison) and "-ity" (a suffix used to form nouns indicating a state or condition). The word "toxicity" refers to the state or condition of being poisonous.
Think of 'toxicum' meaning poison, and remember that 'toxicity' describes the state of being poisonous.