cyst

1 of 3

noun

1
: a closed sac having a distinct membrane and developing abnormally in a cavity or structure of the body
2
: a body resembling a cyst: such as
a
: a resting spore of many algae
b
: the air bladder of certain algae or aquatic plants (such as rockweed)
c
: a capsule formed about a minute organism going into a resting or spore stage
also : this capsule with its contents
d
: a resistant cover about a parasite produced by the parasite or the host

cyst-

2 of 3

combining form

variants or cysti- or cysto-
: bladder
cystitis
: sac
cystocarp

-cyst

3 of 3

noun combining form

: bladder : sac
blastocyst

Examples of cyst in a Sentence

Recent Examples on the Web
Noun
Chole refers to bile; cyst is another word for bladder. San Diego Union-Tribune, 14 May 2024 Treatment options may include surgery to remove the cysts, as well as anti-parasitic medications and anti-inflammatories to eliminate the parasite and alleviate inflammation. John Loeppky, Verywell Health, 10 May 2024 The parasite was discovered in 2010, when doctors scanning his brain concluded that a cyst there contained the remains of a parasite, Kennedy said, according to the New York Times. Will McDuffie, ABC News, 9 May 2024 People do not typically develop symptoms until cysts caused by the parasite die, which can take months or even years, the CDC says. Jamie Ducharme, TIME, 8 May 2024 Beckinsale was previously hospitalized in 2019 due to a ruptured ovarian cyst, leading her to miss that year's Screen Actors Guild Awards. Saman Shafiq, USA TODAY, 6 May 2024 The laparoscopy found 37 lesions and a cyst on her ovary, which was removed via surgery. Brendan Le, Peoplemag, 4 May 2024 Colloid brain cysts are benign tumors that develop in or near the third ventricle, which is in the center of the brain. Isabella Cueto, STAT, 3 Nov. 2023 In April 2021, the American underwent emergency surgery for endometriosis where a tennis ball-sized cyst was removed. Ben Church, CNN, 8 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'cyst.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Noun

New Latin cystis, from Greek kystis bladder, pouch; akin to Sanskrit śvasiti he blows, snorts — more at wheeze

Combining form

French, from Greek kyst-, kysto-, from kystis

Noun combining form

New Latin -cystis, from Greek kystis

First Known Use

Noun

circa 1723, in the meaning defined at sense 1

Time Traveler
The first known use of cyst was circa 1723

Dictionary Entries Near cyst

Cite this Entry

“Cyst.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cyst. Accessed 21 May. 2024.

Kids Definition

cyst

noun
1
: a closed pouch or sac of fluid or solid material that develops in the body in some diseased conditions
2
: a covering resembling a cyst or a body (as a spore) with such a covering
cystic
ˈsis-tik
adjective

Medical Definition

cyst

noun
1
: a closed sac having a distinct membrane and developing abnormally in a body cavity or structure
2
: a body resembling a cyst: as
a
: a capsule formed about a minute organism going into a resting or spore stage
also : this capsule with its contents
b
: a resistant cover about a parasite produced by the parasite or the host compare hydatid sense 2a
Last Updated: - Updated example sentences
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