Webster's English Dictionary

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endocrine

1. en.do.crine \'en-d*-kr*n, -.kri-n, -.kre-n\ aj [ISV end- + Gk krinein to 
   separate] 1a: secreting internally; specif : producing secretions that are 
   d istributed in the body by way of the bloodstream {~ glands} 1b: of, 
   relating to, or resembling that of an endocrine gland  2: HORMONAL 
2. endocrine n 1: HORMONE  2: an endocrine gland