epigenesis
noun
epi·gen·e·sis
| \ ˌe-pə-ˈje-nə-səs
\
\
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 sense 2
2
: change in the mineral character of a rock owing to outside influences
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More Definitions for epigenesis
epigenesis
noun
epi·gen·e·sis
| \ ˌep-ə-ˈjen-ə-səs
\
\
plural epigeneses\ -ˌsēz
\
\
Medical Definition of epigenesis
1
: development involving gradual diversification and differentiation of an initially undifferentiated entity (as a zygote or spore) — compare preformation