epiphenomenon

noun
epi·​phe·​nom·​e·​non | \ˌe-pi-fi-ˈnä-mə-ˌnän, -nən\
plural epiphenomena\ˌe-​pi-​fi-​ˈnä-​mə-​ˌnä, -​nə \

Definition of epiphenomenon 

: a secondary phenomenon accompanying another and caused by it specifically : a secondary mental phenomenon that is caused by and accompanies a physical phenomenon but has no causal influence itself

First Known Use of epiphenomenon

circa 1706, in the meaning defined above

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The first known use of epiphenomenon was circa 1706

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More Definitions for epiphenomenon

epiphenomenon

noun
epi·​phe·​nom·​e·​non | \ˌep-i-fə-ˈnäm-ə-ˌnän, -nən \

Medical Definition of epiphenomenon 

: an accidental or accessory event or process occurring in the course of a disease but not necessarily related to that disease

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