Main Entry: ¹en·do·crine

Pronunciation: \ˈen-də-krən, -ˌkrīn, -ˌkrēn\

Function: adjective

Etymology: International Scientific Vocabulary end- + Greek krinein to separate — more at certain

Date: 1914

1 : secreting internally; specifically : producing secretions that are distributed in the body by way of the bloodstream <hormones produced by the endocrine system>
2 : of, relating to, affecting, or resembling an endocrine gland or secretion <endocrine tumors>