cyst

noun
\ ˈsist How to pronounce cyst (audio) \

Definition of cyst

 (Entry 1 of 3)

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
variants: or cysti- or cysto-

Definition of cyst- (Entry 2 of 3)

: bladder cystitis : sac cystocarp

Definition of -cyst (Entry 3 of 3)

: bladder : sac blastocyst

Examples of cyst in a Sentence

Recent Examples on the Web: Noun

Ian then developed another cyst-like lump under his arm that didn’t respond to antibiotics. San Diego Union-Tribune, "Nevada star golfer back at Junior World after beating cancer," 8 July 2019 Alexandrium has a fascinating life strategy, feeding, aggregating to reproduce, and then resting on the ocean floor as a dormant hard cyst over the winter. Jenny Howard, National Geographic, "Red tides, explained," 5 July 2019 Hoodies for Healing’ campaign The brain cyst was successfully removed May 29 during surgery at Memorial Hermann. Chevall Pryce, Houston Chronicle, "After successful brain surgery, Cypress family hopes to pay it forward," 2 July 2019 In 2016 Phegley underwent surgery to remove a cruciate ligament cyst in his right knee. Shayna Rubin, The Mercury News, "A’s catcher Josh Phegley could be an All-Star — but, first, who is he?," 25 June 2019 Your body forms a cyst to stop inflammation from spreading further, causing painful nodules under your skin, says Beverly Hills Dermatologist and Owner of Ava MD and Skin Five, Ava Shamban. Kelsey Castañon, Seventeen, "Everything You Need to Know About Acne — and How to Get Rid of It," 4 Dec. 2018 In August 2017, Lois visited her doctor to remove a cyst under her arm. Astrazeneca, USA TODAY, "Tapping into the immune system shows promise in stage 3 lung cancer," 3 June 2019 Following the incident, Hall was taken to a hospital, where doctors found a colloid cyst on his brain. Nick Vadala, Philly.com, "6ABC's Gray Hall back on air after recovery from emergency brain surgery," 8 Jan. 2018 Mainly because there are two categories of breakouts: non-inflammatory (think whiteheads and blackheads) and inflammatory (pustules/zits, nodules, and cysts). Molly Nover-baker, Redbook, "How to Get Rid of Annoying Acne, So You Don't Have to Feel Like a Miserable Teenager," 27 Dec. 2016

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cyst.' 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 cyst

Noun

circa 1723, in the meaning defined at sense 1

History and Etymology for cyst

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

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Dictionary Entries near cyst

Cyrus II

-cyst

cyst-

cyst

cysteamine

cysteine

cystic

Statistics for cyst

Last Updated

14 Jul 2019

Look-up Popularity

Time Traveler for cyst

The first known use of cyst was circa 1723

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More Definitions for cyst

cyst

noun

English Language Learners Definition of cyst

medical : a growth filled with liquid that forms in or on your body

cyst

noun
\ ˈsist How to pronounce cyst (audio) \

Kids Definition of cyst

1 : an abnormal lump or sac that forms in or on the body
2 : a saclike structure with a protective covering or a body (as a spore) with such a covering

cyst

noun
\ ˈsist How to pronounce cyst (audio) \

Medical Definition of cyst

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

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More from Merriam-Webster on cyst

Rhyming Dictionary: Words that rhyme with cyst

Spanish Central: Translation of cyst

Nglish: Translation of cyst for Spanish Speakers

Britannica English: Translation of cyst for Arabic Speakers

Britannica.com: Encyclopedia article about cyst

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