discoidal

discoid

[dis-koid]
adjective Also, discoidal.
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; < Late Latin discoīdēs < Greek diskoeidḗs quoit-shaped. See discus, -oid

postdiscoidal, adjective
subdiscoid, adjective
subdiscoidal, adjective
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Collins
World English Dictionary
discoid (ˈdɪskɔɪd)
 
adj
1.  like a disc
2.  (of a composite flower such as the tansy) consisting of disc florets only
 
n
3.  a disclike object

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
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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