orthogenesis

noun
or·​tho·​gen·​e·​sis | \ ˌȯr-thə-ˈje-nə-səs How to pronounce orthogenesis (audio) \

Definition of orthogenesis

: variation of organisms in successive generations that in some especially former evolutionary theories takes place in some predestined direction resulting in progressive evolutionary trends independent of external factors

Other Words from orthogenesis

orthogenetic \ ˌȯr-​thə-​jə-​ˈne-​tik How to pronounce orthogenetic (audio) \ adjective
orthogenetically \ ˌȯr-​thə-​jə-​ˈne-​ti-​k(ə-​)lē How to pronounce orthogenetically (audio) \ adverb

First Known Use of orthogenesis

1895, in the meaning defined above

History and Etymology for orthogenesis

New Latin

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The first known use of orthogenesis was in 1895

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More Definitions for orthogenesis

orthogenesis

noun
or·​tho·​gen·​e·​sis | \ ˌȯr-thə-ˈjen-ə-səs How to pronounce orthogenesis (audio) \
plural orthogeneses\ -​ˌsēz How to pronounce orthogeneses (audio) \

Medical Definition of orthogenesis

: variation of organisms in successive generations that in some evolutionary theories takes place in some predestined direction and results in progressive evolutionary trends independent of external factors

Other Words from orthogenesis

orthogenetic \ -​jə-​ˈnet-​ik How to pronounce orthogenetic (audio) \ adjective

More from Merriam-Webster on orthogenesis

Britannica.com: Encyclopedia article about orthogenesis

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