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hyperplasia

American

[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.

hyperplasia British

/ ˌhaɪpəˈplæzɪə, ˌhaɪpəˈplæstɪk /

noun

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

"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

Other Word Forms

hyperplastic

adjective

Etymology

Origin of hyperplasia

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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023