hyperplasia

[ hahy-per-pley-zhuh, -zhee-uh, -zee-uh ]
/ ˌhaɪ pərˈpleɪ ʒə, -ʒi ə, -zi ə /

noun Pathology, Biology.

abnormal multiplication of cells.
enlargement of a part due to an abnormal numerical increase of its cells.

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Origin of hyperplasia

First recorded in 1860–65; hyper- + -plasia

OTHER WORDS FROM hyperplasia

hy·per·plas·tic [hahy-per-plas-tik], /ˌhaɪ pərˈplæs tɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for hyperplasia

British Dictionary definitions for hyperplasia

hyperplasia
/ (ˌhaɪpəˈplæzɪə) /

noun

enlargement of a bodily organ or part resulting from an increase in the total number of cellsCompare hypertrophy

Derived forms of hyperplasia

hyperplastic (ˌhaɪpəˈplæstɪk), adjective
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

Medical definitions for hyperplasia

hyperplasia
[ hī′pər-plāzhə ]

n.

An abnormal increase in cells in a tissue or organ, excluding tumor formation, whereby the bulk of the tissue or organ is increased.

Other words from hyperplasia

hy′per•plastic (-plăstĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.