noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Protein produced as a byproduct of an industrial process such as fermentation; it is used as an animal feed, and it has potential to be used as a food ingredient in contexts where market demand for it exists.
2. 2
   Protein produced by life, called by this name only when contrasted with synthetic protein produced in vitro.

Etymology

From bio- + protein.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.