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hypertrophy

American  
[hahy-pur-truh-fee] / haɪˈpɜr trə fi /

noun

hypertrophies plural
  1. abnormal enlargement of a part or organ; excessive growth.

  2. excessive growth or accumulation of any kind.


verb (used with or without object)

hypertrophied, hypertrophying
  1. to affect with or undergo hypertrophy.

hypertrophy British  
/ ˌhaɪpəˈtrɒfɪk, haɪˈpɜːtrəfɪ /

noun

  1. enlargement of an organ or part resulting from an increase in the size of the cells Compare atrophy hyperplasia

"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

verb

  1. to undergo or cause to undergo this condition

"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

Etymology

Origin of hypertrophy

First recorded in 1825–35; hyper- + -trophy

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"This neuro-immune-endocrine cooperation synergistically promotes increased production of renin to maintain blood pressure homeostasis, but, on the other hand, severe arteriolar hypertrophy reduces the blood filtration function of the kidney."

From Science Daily • Nov. 21, 2024

Surgery for benign prostatic hypertrophy “is no big deal,” he said.

From New York Times • Jan. 17, 2024

Other researchers have noted that years of repeated use can accelerate hypertrophy, the increase of muscle cells.

From Los Angeles Times • Aug. 4, 2021

Instead, structural proteins are added to muscle fibers in a process called hypertrophy, so cell diameter increases.

From Textbooks • Jun. 19, 2013

She was a frosty girl, plain and colorless, who protected herself against a world she disliked by a mask-like expression and a hypertrophy of intellect.

From "I, Robot" by Isaac Asimov

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