[pree-kan-ser-uh s]


showing pathological changes that may be preliminary to malignancy.

Origin of precancerous

1880–85; pre + cancerous Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for precancerous

Historical Examples of precancerous

British Dictionary definitions for precancerous



(esp of cells) displaying characteristics that may develop into cancer
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for precancerous




Of, relating to, or being a condition or lesion that typically precedes or develops into a cancer.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.