adj. 1. Secreting internally. 2. Of or relating to endocrine glands or the hormones secreted by them. n. 1. The secretion of an endocrine gland; a hormone. 2. An endocrine gland. [French : Greek endo-, endo- + Greek krīnein, to separate; see krei- in the Appendix of Indo-European roots.] |
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