-sə̇n noun
( -s )
Etymology: relax (I) + -in
: a sex hormone that is apparently a neutral polypepide, that is produced by the corpus luteum, and that facilitates childbirth by causing relaxation of the pubic symphysis
-sə̇n noun
( -s )
Etymology: relax (I) + -in
: a sex hormone that is apparently a neutral polypepide, that is produced by the corpus luteum, and that facilitates childbirth by causing relaxation of the pubic symphysis
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012