n.
Pronunciation: ri- ' lak-s ə n
Function: noun
Date: 1930
: a sex hormone of the corpus luteum that facilitates birth by causing relaxation of the pelvic ligaments
n.
Pronunciation: ri- ' lak-s ə n
Function: noun
Date: 1930
: a sex hormone of the corpus luteum that facilitates birth by causing relaxation of the pelvic ligaments
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012