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
Latent cysts have been shown to cause structural changes in the brain as well as alterations in hormones and neurochemistry. Bill Sullivan, Discover Magazine, 2 Jan. 2024 Causes for the pain can include vaginal dryness and inflammation or vaginal cysts. Dr. Roshini Raj, Health, 31 Dec. 2023 This jellyfish reabsorbs its tentacles and sinks to the ocean bottom, resembling a cyst on the floor. Katie Liu, Discover Magazine, 14 Dec. 2023 In a later episode, tensions flare after Oppenheim enlists Young to work on Stause’s listing while Stause recovers from surgery to remove an ovarian cyst. Erin Clements, Peoplemag, 4 Nov. 2023 People with these cysts can experience double vision, vertigo, headaches, and other issues, including memory loss. Isabella Cueto, STAT, 3 Nov. 2023 The scar on his stomach was caused by the removal of a cyst. Charles Bethea, The New Yorker, 26 Nov. 2023 Finally, the process is finished off with a UV filter that sterilizes bacteria and viruses, as well as cysts. Andrea Wurzburger, Better Homes & Gardens, 22 Nov. 2023 Even though Dickinson's cyst was considered normal, her new healthcare provider wanted to do follow-up scans. Korin Miller, Health, 23 Sep. 2023 See More

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 9 Jan. 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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