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IUPAC Glossary of Terms Used in Toxicology – Z

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Z

zero order kinetics
Kinetics of a reaction in which the rate is independent of the concentration(s) of the reactants.
[2]

zoocide
Substance intended to kill animals.

zygote

1. Cell such as a fertilized egg resulting from the fusion of two gametes.
2. Cell obtained as a result of complete or partial fusion of cells produced by meiosis.