cyst

noun

\ ˈsist

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

cyst-

combining form

variants: or cysti- or cysto-

Definition of cyst- (Entry 2 of 3)

: bladder cystitis : sac cystocarp

-cyst

noun combining form

Definition of -cyst (Entry 3 of 3)

: bladder : sac blastocyst

Examples of cyst in a Sentence

Recent Examples on the Web: Noun

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 The use of these products on gel injection sites with skin sores, pimples, rashes, hives, cysts, or infections should be postponed until healing is complete. — Vogue, "Celebrity Manicurist Deborah Lippmann on Beauty, Aging, and the Product That Changed her Relationship With her Hands," 1 Apr. 2019 Here are the next-best, at-home treatments and advice recommended from top dermatologists for getting rid of those under-the-surface cysts ASAP. 1. — Allure, "How to Treat Cystic Acne, According to Dermatologists," 14 Mar. 2019 The persistent pain that Garza felt during workouts upon arriving back on campus prompted a visit to the doctor, where a CAT scan revealed the cyst, which was attached to his spleen. — Luke Meredith, The Seattle Times, "Sophomore Luka Garza on a tear for surging Hawkeyes," 5 Feb. 2019 If you're maligned with nodules or cysts, most OTC options are totally ineffective and your best bet is to be treated by a dermatologist. — 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 Iowa sophomore Luka Garza started this season in recovery after a nine-pound benign cyst was removed from his abdomen. — Luke Meredith, The Seattle Times, "Sophomore Luka Garza on a tear for surging Hawkeyes," 5 Feb. 2019 A few days ago, Beckinsale shared on Instagram that she was hospitalized for an erupted ovarian cyst. — Nicole Saunders, Harper's BAZAAR, "Kate Beckinsale Laughs Off Kate Middleton Mixup with the Most Perfect Reaction," 31 Jan. 2019

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.