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[en-duh-krin, -krahyn, -kreen] /ˈɛn də krɪn, -ˌkraɪn, -ˌkrin/ Anatomy, Physiology
adjective, Also, endocrinal
[en-duh-krahyn-l, -kreen-l] /ˌɛn dəˈkraɪn l, -ˈkrin l/ (Show IPA),
[en-duh-krin-ik] /ˈɛn dəˈkrɪn ɪk/ (Show IPA),
secreting internally into the blood or lymph.
of or relating to an endocrine gland or its secretion.
an internal secretion; hormone.
Compare exocrine.
Origin of endocrine
1910-15; endo- + -crine < Greek krī́nein to separate Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for endocrine
Contemporary Examples
Historical Examples
  • "I'm not so sure about that endocrine shift, sir," Tensor stated emotionlessly.

    Fair and Warmer

    E. G. von Wald
  • Another physical anomaly, which is presumably of endocrine origin, is the suppression of the menses.

    Benign Stupors August Hoch
  • The endocrine hypothesis, suggested by Funk in his monograph, is not without some corroborative evidence.

    Scurvy Past and Present Alfred Fabian Hess
  • It is simply all the endocrine or hormone-producing organs organized into a balanced chemical system—adjusted to each other.

    Taboo and Genetics

    Melvin Moses Knight, Iva Lowther Peters, and Phyllis Mary Blanchard
  • This secretory or endocrine idea has also given us an entirely new view of sex differences.

    Taboo and Genetics

    Melvin Moses Knight, Iva Lowther Peters, and Phyllis Mary Blanchard
  • Lots of theories—enzymes, blood sugar, endocrine balance, what have you—but no proof.

    The Galaxy Primes Edward Elmer Smith
  • We'll change your metabolism, your endocrine balance, toughen your muscle fibers a thousandfold.

    Brknk's Bounty Gerald Allan Sohl
British Dictionary definitions for endocrine


/ˈɛndəʊˌkraɪn; -krɪn/
of or denoting endocrine glands or their secretions: endocrine disorders
an endocrine gland
Compare exocrine
Word Origin
C20: from endo- + -crine, from Greek krinein to separate
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for endocrine

"secretly, internally," 1914, from endo- + Latinized form of Greek krinein "to separate, distinguish" (see crisis).

Online Etymology Dictionary, © 2010 Douglas Harper
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endocrine in Medicine

endocrine en·do·crine (ěn'də-krĭn, -krēn', -krīn')

  1. Secreting internally, most commonly into the systemic circulation.

  2. Of or relating to endocrine glands or the hormones secreted by them.

  1. The secretion of an endocrine gland.

  2. An endocrine gland.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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