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discoid

 - 5 dictionary results

dis⋅coid

[dis-koid]
–adjective Also, dis⋅coi⋅dal.
1. having the form of a discus or disk; flat and circular.
2. Botany. (of a composite flower) consisting of a disk only, without rays.
–noun
3. something in the form of a disk.
4. Dentistry. an excavator with a disklike blade.

Origin:
1785–95; < LL discoīdēs < Gk diskoeids quoit-shaped. See discus, -oid
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To discoid
dis·coid   (dĭs'koid')   
adj.  
  1. Having a flat, circular form; disk-shaped.

  2. Related to or having a disk.

  3. Botany Having disk flowers only. Used of a composite flower head.

dis'coid' n.
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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Medical Dictionary

Main Entry: 1dis·coid
Pronunciation: 'dis-"koid
Function: adjective
1 : resembling a disk : being flat and circulardiscoid body>
2 : characterized by macules <discoid lupus erythematosus>

Main Entry: 2discoid
Function: noun
: an instrument with a disk-shaped blade used in dentistry for carving
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

discoid dis·coid (dĭs'koid') or dis·coi·dal (dĭ-skoid'l)
adj.
Shaped like or resembling a disk.

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