epigenesis

noun epi·gen·e·sis \ ˌe-pə-ˈje-nə-səs \
Updated on: 4 Apr 2018

Definition of epigenesis

1 : development of a plant or animal from an egg or spore through a series of processes in which unorganized cell masses differentiate into organs and organ systems; also : the theory that plant and animal development proceeds in this way — compare preformation 2
2 : change in the mineral character of a rock owing to outside influences

Recent Examples of epigenesis from the Web

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Origin and Etymology of epigenesis

borrowed from New Latin (William Harvey), from epi- epi- + genesis genesis


Medical Dictionary

epigenesis

noun epi·gen·e·sis \ ˌep-ə-ˈjen-ə-səs \

medical Definition of epigenesis

plural epigeneses play \-ˌsēz\
1 : development involving gradual diversification and differentiation of an initially undifferentiated entity (as a zygote or spore) — compare preformation

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