Learn how to say Epigenesis correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word epigenesis:
(biology) the theory that the embryo, influenced by its internal and external environment, develops progressively by stages, forming structures that were not originally present in the egg see also preformation
(geology) a type of metamorphism in which the mineral content of a rock changes as a result of external influences
the appearing of secondary symptoms
a secondary symptom