noun Biochemistry.

the formation of chemical compounds by a living organism.
the laboratory preparation of biological molecules by the use of reagents or catalysts derived from natural substances and modeled on a series of reactions occurring in a living organism.

Origin of biosynthesis

First recorded in 1925–30; bio- + synthesis Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for biosynthesis



the formation of complex compounds from simple substances by living organisms
Derived Formsbiosynthetic (ˌbaɪəʊsɪnˈθɛtɪk), adjectivebiosynthetically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

biosynthesis in Medicine




Formation of a chemical compound by a living organism.biogenesis
Related formsbi′o•syn•thetic (-thĕtĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.