- a toxic agent that damages DNA molecules in genes, causing mutations, tumors, etc.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- harmful to genetic material
- Damaging to DNA and thereby capable of causing mutations or cancer.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.