n. Abnormal development of cells or tissue, often a precancerous stage of growth.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. abnormal development (of organs or cells) or an abnormal structure resulting from such growth
Word Usage
"The doctor explained that, in order of severity, cervical dysplasia is mild, moderate and severe, followed by carcinoma in situ [early cancer that had broken through the cell walls], and then invasive cancer."