exogenous

adjective

ex·og·e·nous | \ ek-ˈsä-jə-nəs

Definition of exogenous

1 : produced by growth from superficial tissue exogenous roots produced by leaves

2a : caused by factors (such as food or a traumatic factor) or an agent (such as a disease-producing organism) from outside the organism or system exogenous obesity exogenous psychic depression exogenous market fluctuations

b : introduced from or produced outside the organism or system specifically : not synthesized within the organism or system

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And also, when thinking about forecasts, right, the policy path is not exogenous to the forecast, right? — Nick Timiraos, WSJ, "Cleveland Fed’s Mester Expects Higher Rates, But Sees No Urgency," 7 Jan. 2019 Several exogenous factors are also helping to keep the flow of oil in check for now, notes Roy Martin of Wood Mackenzie, an energy consultancy. — The Economist, "American shale-oil producers are on a roll," 10 May 2018 In part due to exogenous reasons that have to do with communication. — Tory Newmyer, Washington Post, "The Finance 202, Davos Edition: Trump makes Trump Steaks-style pitch for foreign investment," 26 Jan. 2018 The list included a monetary policy misstep, extreme valuations, or some unforeseen exogenous shock. — Erin Arvedlund, Philly.com, "Want to bet against U.S. Treasurys? These ETFs make the trade easy for investors," 22 Jan. 2018 The existence or nonexistence of an investigation is almost an exogenous factor of its own. — Holman W. Jenkins, WSJ, "Trump Agonistes," 11 July 2017 During a fasted state your body relies on endogenous sources of energy, such as fat and glycogen, as opposed to exogenous sources derived from food. — NBC News, "6 Diet and Fitness Fads You Need to Forget," 3 Nov. 2017 Bad management leading to customer harm is exogenous and forgivable? — Gretchen Morgenson, New York Times, "Consumers, but Not Executives, May Pay for Equifax Failings," 13 Sep. 2017 Gordon served a 50-game suspension in 2016 after testing positive for exogenous testosterone and clostebol. — USA TODAY, "Aaron Judge will pass Mark McGwire, and other MLB records due to fall," 25 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'exogenous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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7 Apr 2019

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The first known use of exogenous was in 1830

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exogenous

adjective

ex·og·e·nous | \ ek-ˈsäj-ə-nəs

variants: also exogenic \ ˌek-sō-ˈjen-ik

Medical Definition of exogenous

1 : growing from or on the outside exogenous spores

2 : caused by factors (as food or a traumatic event) or an agent (as a disease-producing organism) from outside the organism or system exogenous obesity exogenousdepression