a polypeptide hormone associated with pregnancy, used experimentally to relax the pelvic ligaments, as in childbirth
Origin of relaxinrelax + -in
A female hormone secreted by the corpus luteum that helps soften the cervix and relax the pelvic ligaments in childbirth.
(countable and uncountable, plural relaxins)
relax +"Ž -in
VerbSee also: relaxin
- Eye dialect spelling of relaxing.