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Zooid - 6 dictionary results
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zo⋅oid

  [zoh-oid] Biology
Use Zooid in a Sentence
–noun
1. any organic body or cell capable of spontaneous movement and of an existence more or less apart from or independent of the parent organism.
2. any animal organism or individual capable of separate existence, and produced by fission, gemmation, or some method other than direct sexual reproduction.
3. any one of the recognizably distinct individuals or elements of a compound or colonial animallike organism, whether or not detached or detachable.
–adjective
4. Also, zo⋅oi⋅dal. pertaining to, resembling, or of the nature of an animal.
Origin:
1850–55; zo- + -oid
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To Zooid
zo·oid   (zō'oid')   
n.  
    1. An organic cell or organized body that has independent movement within a living organism, especially a motile gamete such as a spermatozoon.
    2. An independent animallike organism produced asexually, as by budding or fission.
  2. One of the distinct individuals forming a colonial animal such as a bryozoan or hydrozoan.
zo·oid'al (-oid'l) 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.
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Zooid

Zo"oid\, a. [Zo["o]- + -oid.] (Biol.) Pertaining to, or resembling, an animal.

Zooid

Zo"oid\, n. 1. (Biol.) An organic body or cell having locomotion, as a spermatic cell or spermatozooid.

2. (Zo["o]l.) (a) An animal in one of its inferior stages of development, as one of the intermediate forms in alternate generation. (b) One of the individual animals in a composite group, as of Anthozoa, Hydroidea, and Bryozoa; -- sometimes restricted to those individuals in which the mouth and digestive organs are not developed.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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Main Entry: zo·oid
Pronunciation: 'zO-"oid
Function: noun
: one of the asexually produced individuals of a compound organism (as a coral colony)
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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zooid zo·oid (zō'oid')
n.

  1. An organic cell or organized body that has independent movement within a living organism, especially a motile gamete such as a spermatozoon.
  2. An independent animallike organism produced asexually, as by budding or fission.
  3. One of the distinct individuals forming a colonial animal such as a coral.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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