Bradykinin
/ˌbɹæd.ɪˈkʌɪ.nɪn/ noun
noun ·Rare ·Advanced level
Definitions
Noun
- 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.