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rennin

[ren-in] /ˈrɛn ɪn/
noun, Biochemistry
1.
a coagulating enzyme occurring in the gastric juice of the calf, forming the active principle of rennet and able to curdle milk.
Origin of rennin
1895-1900
1895-1900; renn(et) + -in2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for rennin
Historical Examples
  • The coagulating enzymes, such as thrombin or thrombase (the fibrin ferment) and rennin, which causes the clotting of milk.

    Dietetics for Nurses Fairfax T. Proudfit
  • rennin at this stage appears to predominate over pepsin31 which is already secreted to some extent.

    The Book of Cheese Charles Thom and Walter Warner Fisk
  • These unorganized ferments are such as rennin, pepsin, trypsin, ptyalin.

    The Book of Cheese Charles Thom and Walter Warner Fisk
  • Deficiency of rennin has the same significance as deficiency of pepsin, and is more easily recognized.

    A Manual of Clinical Diagnosis James Campbell Todd
  • The Council is unable to accept Dr. Balchs result for trypsin or rennin as reliable.

  • Since the two enzyms are almost invariably present or absent together, the test for rennin serves also as a test for pepsin.

    A Manual of Clinical Diagnosis James Campbell Todd
  • Secretion of pepsin and rennin is always diminished in marked cases.

    A Manual of Clinical Diagnosis James Campbell Todd
  • The enzymes of rennet (rennin and pepsin) do not cease acting with the thickening of the milk.

    The Book of Cheese Charles Thom and Walter Warner Fisk
  • Absence of coagulation at the end of that period will indicate absence of rennin ferment formation.

  • Its chief constituents are two ferments called pepsin and rennin, free hydrochloric acid, mineral salts, and 95 per cent of water.

    A Practical Physiology Albert F. Blaisdell
British Dictionary definitions for rennin

rennin

/ˈrɛnɪn/
noun
1.
an enzyme that occurs in gastric juice and is a constituent of rennet. It coagulates milk by converting caseinogen to casein Also called chymosin
Word Origin
C20: from rennet + -in
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 rennin
n.

milk-curdling enzyme, 1897, from rennet + -in (2).

Online Etymology Dictionary, © 2010 Douglas Harper
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rennin in Medicine

rennin ren·nin (rěn'ĭn)
n.
A milk-coagulating enzyme found especially in the gastric juice of the fourth stomach of young ruminants, used in making cheeses and junkets. Also called chymosin.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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rennin in Science
rennin
  (rěn'ĭn)   
An enzyme that catalyzes the coagulation of milk. Rennin is found in the gastric juice of the fourth stomach of young ruminants and is used in making cheese. Also called chymosin.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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