Adjacent Words

Cyst definitions

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Webster's 1828 Dictionary

CYST, n. [Gr., a bladder.] A bag or tunic which includes morbid matter in animal bodies.

WordNet (r) 3.0 (2005)

n
1: a closed sac that develops abnormally in some body structure
2: a small anatomically normal sac or bladderlike structure (especially one containing fluid) [syn: vesicle, cyst]

Merriam Webster's

noun Etymology: New Latin cystis, from Greek kystis bladder, pouch; akin to Sanskrit ?vasiti he blows, snorts — more at wheeze Date: circa 1720 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: 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

Oxford Reference Dictionary

n. 1 Med. a sac containing morbid matter, a parasitic larva, etc. 2 Biol. a a hollow organ, bladder, etc., in an animal or plant, containing a liquid secretion. b a cell or cavity enclosing reproductive bodies, an embryo, parasite, micro-organism, etc. Etymology: LL cystis f. Gk kustis bladder

Webster's 1913 Dictionary

Cyst Cyst (s[i^]st), n. [Gr. ky`stis bladder, bag, pouch, fr. ky`ein to be pregnant. Cf. Cyme.] 1. (Med.) (a) A pouch or sac without opening, usually membranous and containing morbid matter, which is accidentally developed in one of the natural cavities or in the substance of an organ. (b) In old authors, the urinary bladder, or the gall bladder. [Written also cystis.] 2. (Bot.) One of the bladders or air vessels of certain alg[ae], as of the great kelp of the Pacific, and common rockweeds (Fuci) of our shores. --D. C. Eaton. 3. (Zo["o]l.) (a) A small capsule or sac of the kind in which many immature entozoans exist in the tissues of living animals; also, a similar form in Rotifera, etc. (b) A form assumed by Protozoa in which they become saclike and quiescent. It generally precedes the production of germs. See Encystment.

Collin's Cobuild Dictionary

(cysts) A cyst is a growth containing liquid that appears inside your body or under your skin. He had a minor operation to remove a cyst. N-COUNT

Soule's Dictionary of English Synonyms

n. Pouch, sac.

Moby Thesaurus

benign tumor, boil, bump, bunion, callosity, callus, cancer, carbuncle, carcinoma, corn, dilatation, dilation, distension, edema, excrescence, fungosity, fungus, furuncle, growth, intumescence, lump, malignant growth, metastatic tumor, mole, morbid growth, neoplasm, nevus, nonmalignant tumor, outgrowth, pimple, pock, proud flesh, pustule, rising, sarcoma, sebaceous cyst, swell, swelling, swollenness, tumefaction, tumescence, tumidity, tumor, turgescence, turgescency, turgidity, verruca, wart, wen