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WordReference Random House Unabridged Dictionary of American English © 2024ex•og•e•nous (ek soj′ə nəs),USA pronunciation adj. - originating from outside;
derived externally. - [Bot.]
- Botany(of plants, as the dicotyledons) having stems that grow by the addition of an annual layer of wood to the outside beneath the bark.
- Botanypertaining to plants having such stems.
- Botanybelonging to the exogens.
- Pathology(of a disease) externally caused rather than resulting from conditions within the organism.
- Biochemistryof 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.
- Geologyexogenetic (def. 1).
Also, exogenetic (for defs. 2–4). - exo- + -gen + -ous 1820–30
Collins Concise English Dictionary © HarperCollins Publishers:: exogenous /ɛkˈsɒdʒɪnəs/ adj - 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
- (of a mental illness) caused by external factors
ex•o•ge•net•ic (ek′sō jə net′ik),USA pronunciation adj. Also, ex•o•gen•ic (ek′sə jen′ik),USA pronunciation exogenous. [Geol.]arising from or relating to the surface of the earth (opposed to endogenetic).- Biochemistry, Botany, Pathologyexogenous (defs. 2–4).
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