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
Origin of epigenesis
First Known Use: 1798
Learn More about epigenesis
Medical Dictionary: Definition of "epigenesis"
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