hyperplasia

noun
hy·​per·​pla·​sia | \ ˌhī-pər-ˈplā-zh(ē-)ə \

Definition of hyperplasia

: an abnormal or unusual increase in the elements composing a part (such as cells composing a tissue) — compare benign prostatic hyperplasia

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Other Words from hyperplasia

hyperplastic \ ˌhī-​pər-​ˈpla-​stik \ adjective

Examples of hyperplasia in a Sentence

Recent Examples on the Web

Building up several months' worth of lining in your uterus can put you at risk for precancerous changes called hyperplasia. Sari Harrar, Good Housekeeping, "4 Perimenopause Period Symptoms That Could Be Serious," 3 July 2018 Building up several months' worth of lining in your uterus can put you at risk for precancerous changes called hyperplasia. Sari Harrar, Good Housekeeping, "4 Perimenopause Period Symptoms That Could Be Serious," 3 July 2018 Building up several months' worth of lining in your uterus can put you at risk for precancerous changes called hyperplasia. Sari Harrar, Good Housekeeping, "4 Perimenopause Period Symptoms That Could Be Serious," 3 July 2018 Building up several months' worth of lining in your uterus can put you at risk for precancerous changes called hyperplasia. Sari Harrar, Good Housekeeping, "4 Perimenopause Period Symptoms That Could Be Serious," 3 July 2018 Building up several months' worth of lining in your uterus can put you at risk for precancerous changes called hyperplasia. Sari Harrar, Good Housekeeping, "4 Perimenopause Period Symptoms That Could Be Serious," 3 July 2018 Building up several months' worth of lining in your uterus can put you at risk for precancerous changes called hyperplasia. Sari Harrar, Good Housekeeping, "4 Perimenopause Period Symptoms That Could Be Serious," 3 July 2018 Building up several months' worth of lining in your uterus can put you at risk for precancerous changes called hyperplasia. Sari Harrar, Good Housekeeping, "4 Perimenopause Period Symptoms That Could Be Serious," 3 July 2018 Endometrial hyperplasia: This condition happens when your endometrium becomes too thick, usually due to a lack of ovulation that results in insufficient progesterone production. Korin Miller, SELF, "How Long Does a Period Last, Normally?," 17 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hyperplasia.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of hyperplasia

1861, in the meaning defined above

History and Etymology for hyperplasia

New Latin

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Last Updated

10 Feb 2019

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Time Traveler for hyperplasia

The first known use of hyperplasia was in 1861

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More Definitions for hyperplasia

hyperplasia

noun
hy·​per·​pla·​sia | \ ˌhī-pər-ˈplā-zh(ē-)ə \

Medical Definition of hyperplasia

: an abnormal or unusual increase in the elements composing a part (as cells composing a tissue) — see benign prostatic hyperplasia, congenital adrenal hyperplasia

Other Words from hyperplasia

hyperplastic \ -​ˈplas-​tik \ adjective
hyperplastically \ -​ti-​k(ə-​)lē \ adverb

More from Merriam-Webster on hyperplasia

Britannica English: Translation of hyperplasia for Arabic Speakers

Britannica.com: Encyclopedia article about hyperplasia

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