adjective Biochemistry.
  1. of, relating to, or characterized by biosynthesis, the formation of chemical compounds by a living organism, or a laboratory process modeled after these reactions in living organisms.
  2. of or relating to a substance produced by a biosynthetic process.

Origin of biosynthetic

First recorded in 1945–50; bio- + synthetic Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018