Definition of trophogenic
1 : brought about by or resulting from differences in food or feeding rather than genetically determined the various castes of social insects are usually held to be trophogenic in origin — compare blastogenic
2 less commonly trophogenous \trōˈfäjənəs\ [troph- + -genous] : of, relating to, or being the upper level in a lake in which inorganic matter is converted to organic through photosynthetic activity — compare tropholytic
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Origin and Etymology of trophogenic
troph- + -genic
First Known Use: 1922
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