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.

epi- + genome

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To epigenome
Explore Dictionary.com
Previous Definition: epigenist
Next Definition: epigenomics
Words Near: epigenome
More from Thesaurus.com
Synonyms and Antonyms for epigenome
More from Reference.com
Search for articles containing epigenome
More from Dictionary.com Translator
Dictionary.com Word FAQs

Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.

Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature