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secretion

[si-kree-shuh n] /sɪˈkri ʃən/
noun
1.
(in a cell or gland) the act or process of separating, elaborating, and releasing a substance that fulfills some function within the organism or undergoes excretion.
2.
the product of this act or process.
Origin of secretion
1640-1650
1640-50; < Latin sēcrētiōn- (stem of sēcrētiō), equivalent to sēcrēt(us) (past participle of sēcernere to secern) + -iōn- -ion
Related forms
secretionary
[si-kree-shuh-ner-ee] /sɪˈkri ʃəˌnɛr i/ (Show IPA),
adjective
nonsecretion, noun
nonsecretionary, adjective
oversecretion, noun
supersecretion, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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Examples from the Web for secretion
Historical Examples
  • There were no drones among them, no secretion or dishonest division.

    History of Kershaw's Brigade D. Augustus Dickert
  • The secretion or excretion of glands may be augmented or diminished.

    Special Report on Diseases of the Horse United States Department of Agriculture
  • Twelve to fifteen pounds of dry sugar are said to be needed for the secretion of a single pound of wax.

  • The latter has the advantage of increasing the secretion of the kidneys.

    Special Report on Diseases of the Horse United States Department of Agriculture
  • There are also large salivary glands in the neighborhood of the mouth, which pour their secretion into that cavity.

    Sheep, Swine, and Poultry Robert Jennings
  • A portion of the night-dew must be attributed to this secretion of water.

    At the Deathbed of Darwinism Eberhard Dennert
  • When the general tried to secure the Charlestown guns from secretion by the provincials, they disappeared.

    The Siege of Boston Allen French
  • It is probable that the secretion from the glandular zone of the ciliary body is increased.

    Glaucoma Various
  • These are,—the expired air, or the secretion of the air-cells of the lungs,—and the ordinary cutaneous transpiration.

    The Action of Medicines in the System Frederick William Headland
  • Quietness promotes the secretion of fat in animals and increases the butter.

    Cattle and Their Diseases Robert Jennings
British Dictionary definitions for secretion

secretion

/sɪˈkriːʃən/
noun
1.
a substance that is released from a cell, esp a glandular cell, and is synthesized in the cell
2.
the process involved in producing and releasing such a substance from the cell
Derived Forms
secretionary, adjective
Word Origin
C17: from Medieval Latin sēcrētiō, from Latin: a separation; see secern
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 secretion
n.

1640s, "act of secreting;" 1732, "that which is secreted," from French sécrétion, from Latin secretionem (nominative secretio) "a dividing, separation," noun of action from past participle stem of secernere "to separate, set apart" (see secret (n.)).

Online Etymology Dictionary, © 2010 Douglas Harper
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secretion in Medicine

secretion se·cre·tion (sĭ-krē'shən)
n.

  1. The process of secreting a substance from a cell or gland.

  2. A substance, such as saliva, mucus, tears, bile, or a hormone, that is secreted.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
secretion in Science
secretion
  (sĭ-krē'shən)   
  1. The process of secreting a substance from a cell or gland.

  2. A substance, such as saliva, mucus, tears, bile, or a hormone, that is secreted.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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