[ep-i-juh-net-ik] /ˌɛp ɪ dʒəˈnɛt ɪk/
Biology. of or relating to epigenesis, or the successive differentiation of undifferentiated cells in an embryo.
Genetics. noting or pertaining to epigenetics, specifically, the process by which the expression of genetic information is modified on a molecular level without a change to the DNA sequence:
the epigenetic inheritance of longevity.
of or relating to epigenesis
denoting processes by which heritable modifications in gene function occur without a change in the sequence of the DNA
[ep-i-juh-net-iks] /ˌɛp ɪ dʒəˈnɛt ɪks/ noun, (used with a singular verb) 1. Genetics. the study of the process by which genetic information is translated into the substance and behavior of an organism: specifically, the study of the way in which the expression of heritable traits is modified by environmental influences or other mechanisms without a […]
[ep-i-jee-nohm] /ˌɛp ɪˈdʒi noʊm/ noun 1. Genetics. a network of chemical compounds surrounding DNA that modify the genome without altering the DNA sequences and have a role in determining which genes are active in a particular cell.
[ep-i-jee-noh-miks, -nom-iks] /ˌɛp ɪ dʒiˈnoʊ mɪks, -ˈnɒm ɪks/ noun, (used with a singular verb) 1. Genetics. the study of epigenomes and their role in gene expression.
[ih-pij-uh-nuh s] /ɪˈpɪdʒ ə nəs/ adjective, Botany. 1. growing on the surface, especially the upper surface, as fungi on leaves. /ɪˈpɪdʒɪnəs/ adjective 1. (biology) growing on the surface, esp the upper surface, of an organism or part: an epigenous fungus