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[vas-oh-pres-in] /ˌvæs oʊˈprɛs ɪn/
Biochemistry. a peptide hormone, synthesized in the hypothalamus and released by the posterior pituitary gland, that stimulates capillary muscles and reduces the flow of urine and increases its concentration.
Pharmacology. a synthetic preparation of this hormone, used as an antidiuretic in the treatment of diabetes insipidus.
Also called antidiuretic hormone, ADH.
Origin of vasopressin
First recorded in 1928; orig. trademark Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for vasopressin


a polypeptide hormone secreted by the posterior lobe of the pituitary gland. It increases the reabsorption of water by the kidney tubules and increases blood pressure by constricting the arteries Also called antidiuretic hormone Chemical name beta-hypophamine Compare oxytocin
Word Origin
from Vasopressin, a trademark
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 vasopressin

1928, from vasopressor, from vaso-, comb. form of Latin vas "container, vessel" (see vas).

Online Etymology Dictionary, © 2010 Douglas Harper
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vasopressin in Medicine

vasopressin va·so·pres·sin (vā'zō-prěs'ĭn)

Abbr. VP A hormone, related to oxytocin, that is secreted by the posterior lobe of the pituitary gland, constricts blood vessels, raises blood pressure, stimulates intestinal motility, and reduces the excretion of urine. Also called antidiuretic hormone.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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vasopressin in Science
See antidiuretic hormone.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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