excretion
1[ ik-skree-shuhn ]
/ ɪkˈskri ʃən /
noun
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Words nearby excretion
Definition for excretion (2 of 2)
excretion2
[ ik-skree-shuhn ]
/ ɪkˈskri ʃən /
noun
the state of being excrescent.
an excrescence.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
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Medical definitions for excretion
excretion
[ ĭk-skrē′shən ]
n.
The act or process of discharging waste matter from the blood, tissues, or organs.
The matter, such as urine, feces, or sweat, that is so excreted.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for excretion
excretion
[ ĭk-skrē′shən ]
The elimination by an organism of waste products that result from metabolic processes. In plants, waste is minimal and is eliminated primarily by diffusion to the outside environment. Animals have specific organs of excretion. In vertebrates, the kidney filters blood, conserving water and producing urea and other waste products in the form of urine. The urine is then passed through the ureters to the bladder and discharged through the urethra. The skin and lungs, which eliminate carbon dioxide, are also excretory organs.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.