Dictionary
Thesaurus
Encyclopedia
Translator
Web

polyp

 - 5 dictionary results

pol⋅yp

[pol-ip]
–noun
1. Zoology.
a. a sedentary type of animal form characterized by a more or less fixed base, columnar body, and free end with mouth and tentacles, esp. as applied to coelenterates.
b. an individual zooid of a compound or colonial organism.
2. Pathology. a projecting growth from a mucous surface, as of the nose, being either a tumor or a hypertrophy of the mucous membrane.

Origin:
1350–1400; ME polip, short for polipus nasal tumor (later, also cephalopod, now obs.) < ML, L pōlypus < dial. Gk poulýpous octopus, nasal tumor (Attic polýpous, gen. polýpodos; see poly-, -pod )


pol⋅yp⋅ous, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To polyp
pol·yp   (pŏl'ĭp)   
n.  
  1. A coelenterate, such as a hydra or coral, having a cylindrical body and an oral opening usually surrounded by tentacles.

  2. A usually nonmalignant growth or tumor protruding from the mucous lining of an organ such as the nose, bladder, or intestine, often causing obstruction.


[Middle English polip, nasal tumor, from Old French polipe, from Latin pōlypus, cuttlefish, nasal tumor, from Greek polupous, poulupous : polu-, poly- + pous, foot; see ped- in Indo-European roots.]
pol'yp·oid' adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Word Origin & History

polyp 
c.1400, "nasal tumor," from L. polypus "cuttlefish," also "nasal tumor," from Gk. (Doric, Aeolic) polypos "octopus, cuttlefish," from polys "many" (see plenary) + pous "foot." Sense extended 1742 to hydras and sea anemones (earlier polypus, c.1520).
Online Etymology Dictionary, © 2001 Douglas Harper
Cite This Source
Medical Dictionary

Main Entry: pol·yp
Pronunciation: 'päl-&p
Function: noun
: a projecting mass of swollen and hypertrophied or tumorous membrane (as in thenasal cavity or the intestine) called also polypus
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
Cite This Source
Medical Dictionary

polyp pol·yp (pŏl'ĭp)
n.
A usually nonmalignant growth of tissue protruding from the mucous lining of an organ such as the nose, bladder, or intestine, often causing obstruction. Also called polypus.


pol'yp·oid' adj.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Search another word or see polyp on Thesaurus | Reference
FacebookTwitterFollow us: