prosthetic group

noun

Biochemistry.

1. the nonprotein acid constituent of a conjugate protein, as the heme group of hemoglobin.

prosthetic group

noun

1. the nonprotein component of a conjugated protein, such as the lipid group in a lipoprotein

prosthetic group

1. The nonprotein component of a conjugated protein, as the heme group in hemoglobin.

Word History and Origins

Origin of prosthetic group¹

First recorded in 1895–1900