hyperplasia

[ hahy-per-pley-zhuh, -zhee-uh, -zee-uh ]

nounPathology, Biology.

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

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

Words Nearby hyperplasia

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use hyperplasia in a sentence

Like senility, there is no way to stop sebaceous hyperplasia from advancing, either.
My Odyssey Into Extreme Dermatology | Elizabeth Hayt | April 15, 2009 | THE DAILY BEAST
With hyperplasia of lamina, at the anterior portion of the distal phalanx, there results a thick "white line."
Lameness of the Horse | John Victor Lacroix
The inflammation is accompanied by the formation of so-called granules, and at the same time by a hyperplasia of the papillae.
Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 1 | Various
The bronchial glands have undergone hyperplasia, being enlarged and hard.
A System of Practical Medicine by American Authors, Vol. I | Various
The rest of the gland may be normal, or may show some degree of hyperplasia.
Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition. | Alexander Miles

This change consists in hyperplasia of the gland-constituents.
A System of Practical Medicine By American Authors, Vol. II | Various

British Dictionary definitions for hyperplasia

hyperplasia

/ (ˌhaɪpəˈplæzɪə) /

noun

enlargement of a bodily organ or part resulting from an increase in the total number of cells: Compare 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

Browse