different between zoochemistry vs zoochemical

English

zoo- +? chemistry

zoochemistry (uncountable)

Animal chemistry; particularly, the description of the chemical compounds entering into the composition of the animal body, in distinction from biochemistry.
- 2013, Gilbert Gottlieb, Behavioral Embryology
  In 1865, he did advanced study in Zoophysics and Zoochemistry while on the Philosophical Faculty at the University of Bonn, and he received his medical degree in 1866.

zoo- +? chemical

zoochemical (not comparable)

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