epigenetic

American  

[ep-i-juh-net-ik] / ˌɛp ɪ dʒəˈnɛt ɪk /

adjective

1. Biology. of or relating to epigenesis, or the successive differentiation of undifferentiated cells in an embryo.

2. 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.

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epigenetic British  

/ ˌɛpɪdʒɪˈnɛtɪk /

adjective

1. of or relating to epigenesis

2. denoting processes by which heritable modifications in gene function occur without a change in the sequence of the DNA

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Other Word Forms

• epigenetically adverb

Etymology

Origin of epigenetic

epi- + genetic

Example Sentences

These epigenetic changes control whether genes are switched on or off.

From Science Daily • Apr. 7, 2026

Chitwood has invested in a company working on epigenetic reprogramming, a process that aims to restore cells to a youthful state by pulling a specific combination of genetic levers.

From Slate • Mar. 30, 2026

For one thing, genes themselves aren’t changed by epigenetic experiences; rather, certain pre-existing genes are turned on or off.

From The Wall Street Journal • Mar. 20, 2026

Higher levels of these two chemicals were strongly linked to accelerated epigenetic aging in men between 50 and 64 years old.

From Science Daily • Feb. 26, 2026

Whatever one's judgment may be in particular cases, there can be no reason for disputing that in epigenetic or creative evolution there is, in a sense, loss as well as gain.

From Creative Intelligence Essays in the Pragmatic Attitude by Bode, Boyd H.