[ bahy-oh-sin-thuh-sis ]
/ ˌbaɪ oʊˈsɪn θə sɪs /

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


/ (ˌbaɪəʊˈsɪnθɪsɪs) /


the formation of complex compounds from simple substances by living organisms

Derived Forms

biosynthetic (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

Medicine definitions for biosynthesis


[ bī′ō-sĭnthĭ-sĭs ]


Formation of a chemical compound by a living organism.biogenesis

Related forms

bi′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.