urine
urine definition
urine (yo̵or′in)
noun
a waste product of vertebrates and many invertebrates, secreted by the kidneys or other excretory structures: in mammals, it is a yellowish liquid containing urea, certain salts, etc., which is stored in the bladder and discharged periodically from the body through the urethra; in birds, reptiles, etc., it is a solid or almost solid substance formed chiefly of uric acid
Etymology: OFr < L urina, urine < IE *ūr-, var. of base *awer-, to moisten, flow > water, Gr ouron, urine
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
Comments
Improve this definition.
Share on Facebook