WordReference Random House Learner's Dictionary of American English © 2026
bi•o•chem•is•try /ˌbaɪoʊˈkɛməstri/USA pronunciation
n. [uncountable]
bi•o•chem•ist, n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2026- Biochemistrythe scientific study of the chemical substances and processes of living matter.
bi•o•chem•ist, n. [countable]
bi•o•chem•is•try
(bī′ō kem′ə strē),USA pronunciation n.
bi•o•chem•i•cal
(bī′ō kem′i kəl),USA pronunciation adj., n.
bi′o•chem′ic, adj.
bi′o•chem′i•cal•ly, adv.
bi′o•chem′ist, n.
- the science dealing with the chemistry of living matter.
- the chemistry of living matter.
- 1880–85; bio- + chemistry
bi′o•chem′i•cal•ly, adv.
bi′o•chem′ist, n.
'biochemical' also found in these entries (note: many are not synonyms or translations):
biochemical oxygen demand
- biochip
- bioinformatics
- BOD
- creatine
- enzyme
- phenotype
- reductase
- Tatum
- thermolabile
- thermostable
- trace element
- abortifacient
- alanine
- autoregulation
- biochemistry
- biological oxygen demand
- biolysis
- biovar
- birth defect
- calmodulin
- chemotaxonomy
- coenzyme
- cytochemistry
- endergonic
- exergonic
- factor
- first messenger
- flavo-
- genetic code
- glycine
- hypoxanthine
- lutein
- phlorizin
- profile
- pyrimidine
- pyruvic acid
- resorption
- shore terrace