cyst

play
noun \ˈsist\

Definition of cyst

  1. 1 :  a closed sac having a distinct membrane and developing abnormally in a cavity or structure of the body

  2. 2 :  a body resembling a cyst: as a :  a resting spore of many algae b :  a gas-filled vesicle (as of a rockweed or bladderwort) 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

Origin and Etymology of cyst

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


First Known Use: circa 1720


cyst-

combining form

Definition of cyst-

  1. :  bladder <cystitis> :  sac <cystocarp>

Variants of cyst-

or

cysti-

or

cysto-

Origin and Etymology of cyst-

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


-cyst

noun combining form

Definition of -cyst

  1. :  bladder :  sac <blastocyst>

Origin and Etymology of -cyst

New Latin -cystis, from Greek kystis


CYST Defined for English Language Learners

cyst

play
noun \ˈsist\

Definition of cyst for English Language Learners

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


CYST Defined for Kids

cyst

play
noun \ˈsist\

Definition of cyst for Students

  1. 1 :  an abnormal lump or sac that forms in or on the body

  2. 2 :  a saclike structure with a protective covering or a body (as a spore) with such a covering


Medical Dictionary

cyst

play
noun \ˈsist\

Medical Definition of cyst

  1. 1:  a closed sac having a distinct membrane and developing abnormally in a body cavity or structure

  2. 2:  a body resembling a cyst: asa:  a capsule formed about a minute organism going into a resting or spore stage; also :  this capsule with its contentsb:  a resistant cover about a parasite produced by the parasite or the host—compare hydatid 2a


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