exogenous

American  

[ek-soj-uh-nuhs] / ɛkˈsɒdʒ ə nəs /

adjective

1. originating from outside; derived externally.

2. Botany.

   1. (of plants, as the dicotyledons) having stems that grow by the addition of an annual layer of wood to the outside beneath the bark.

   2. pertaining to plants having such stems.

   3. belonging to the exogens.

3. Pathology. (of a disease) externally caused rather than resulting from conditions within the organism.

4. 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.

5. Geology. exogenetic.

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exogenous British  

/ ɛkˈsɒdʒɪnəs /

adjective

1. having an external origin

2. biology

   1. developing or originating outside an organism or part of an organism

   2. of or relating to external factors, such as light, that influence an organism

3. psychiatry (of a mental illness) caused by external factors

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exogenous Scientific  

/ ĕk-sŏj′ə-nəs /

1. Originating or produced from outside an organism, tissue, or cell.

2. Compare endogenous

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Other Word Forms

• exogenism noun
• exogenously adverb

Etymology

Origin of exogenous

First recorded in 1820–30; exo- + -gen + -ous

Example Sentences

The effect, barring some history-altering exogenous circumstance, has almost certainly been to push the war’s conclusion further into the future.

From The Wall Street Journal

“We don’t have necessarily the final say on whether there’s going to be oil destruction exogenous events all around the world,” said Clayton Seigle, a senior fellow at the Center for Strategic and International Studies.

From The Wall Street Journal

In Solow’s model, the big driver of growth was technological change, but it was exogenous.

From The Wall Street Journal

"On our own analysis, the 'extra' cases serve to underline rather than undermine this aspect of the phenomena that are said to be distinctive in those cases of administration of exogenous insulin," they concluded.

From BBC

"I feel like there's all of these tropes that we hear 'don't avocado toast' and there are exogenous factors that are actually making it impossible for people to buy homes and live the American Dream."

From Salon

Related Words

• external