[ ek-soj-uh-nuhs ]
/ ɛkˈsɒdʒ ə nəs /
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originating from outside; derived externally.
- (of plants, as the dicotyledons) having stems that grow by the addition of an annual layer of wood to the outside beneath the bark.
- pertaining to plants having such stems.
- belonging to the exogens.
Pathology. (of a disease) externally caused rather than resulting from conditions within the organism.
Biochemistry. of or noting the metabolic assimilation of proteins or other metabolites, the elimination of nitrogenous catabolites being in direct proportion to the amount of metabolites taken in.
Geology. exogenetic (def. 1).
THINGAMABOB OR THINGUMMY: CAN YOU DISTINGUISH BETWEEN THE US AND UK TERMS IN THIS QUIZ?
Do you know the difference between everyday US and UK terminology? Test yourself with this quiz on words that differ across the Atlantic.
Question 1 of 7
In the UK, COTTON CANDY is more commonly known as…
Also exogenetic (for defs. 2-4).
OTHER WORDS FROM exogenousex·og·e·nism, nounex·og·e·nous·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use exogenous in a sentence
Exogenously higher income"—that is, wealth that comes, poof, out of the blue—"produces unhealthy living.Lotto Death Curse|Anneli Rufus|February 19, 2010|DAILY BEAST
British Dictionary definitions for exogenous
/ (ɛkˈsɒdʒɪnəs) /
having an external origin
- developing or originating outside an organism or part of an organism
- of or relating to external factors, such as light, that influence an organism
psychiatry (of a mental illness) caused by external factors
Derived forms of exogenousexogenously, adverb
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
Scientific definitions for exogenous
[ ĕk-sŏj′ə-nəs ]
Originating or produced from outside an organism, tissue, or cell. Compare endogenous.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.