| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024ep•i•gen•e•sis (ep′i jen′ə sis),USA pronunciation n. - Developmental Biology[Biol.]
- the theory that an embryo develops from the successive differentiation of an originally undifferentiated structure (opposed to preformation).
- the approximately stepwise process by which genetic information, as modified by environmental influences, is translated into the substance and behavior of an organism.
- Geologyore deposition subsequent to the original formation of the enclosing country rock.
ep′i•gen′e•sist, e•pig•e•nist (i pij′ə nist),USA pronunciation n. ep•i•ge•net•ic (ep′i jə net′ik),USA pronunciation adj. ep′i•ge•net′i•cal•ly, adv. |