noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A compound released in the blood in some circumstances which causes contraction of smooth muscle and dilation of blood vessels. It is a peptide with nine amino-acid residues. countable, uncountable

Etymology

From Ancient Greek βραδύς (bradús, “slow, brady-”) + Ancient Greek κίνησις (kínēsis, “motion”) + -in.

Related phrases

lysyl-bradykininmethionyl-lysyl-bradykininblood pressureblood vessel

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