WordReference Random House Unabridged Dictionary of American English © 2025
bi•o•ge•o•chem•is•try
(bī′ō jē′ō kem′ə strē),USA pronunciation n.
bi•o•ge•o•chem•i•cal
(bī′ō jē′ō kem′i kəl),USA pronunciation adj.
- the science dealing with the relationship between the geochemistry of a given region and its flora and fauna, including the circulation of such elements as carbon and nitrogen between the environment and the cells of living organisms.
- 1935–40; bio- + geochemistry