discoid

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discoid

 [dis´koid]
1. disk-shaped.
2. a disklike medicated tablet.
3. a disk-shaped dental excavator designed to remove the carious dentin of a decayed tooth. See illustration.
Discoid. From Dorland's, 2000.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

dis·coid

(dis'koyd),
1. Resembling a disk.
2. In dentistry, an excavating or carving instrument having a circular blade with a cutting edge around the periphery.
[disco- + G. eidos, appearance]
Farlex Partner Medical Dictionary © Farlex 2012

discoid

(dĭs′koid′) also

discoidal

(dĭ-skoid′l)
adj.
1. Having a flat, circular form; disk-shaped.
2. Related to or having a disk.
3. Having disk flowers only. Used of a composite flower head.

dis′coid′ n.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

dis·coid

(dis'koyd)
1. Resembling a disc.
2. dentistry An excavating or carving instrument having a circular blade with a cutting edge around the periphery.
[disco- + G. eidos, appearance]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

dis·coid

(dis'koyd)
1. In dentistry, an excavating or carving instrument with a circular blade with a cutting edge around its periphery.
2. Resembling a disc.
[disco- + G. eidos, appearance]
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
The most parsimonious interpretation for the King Square Formation discoids is that they are inorganic sedimentary structures produced by upward doming and subsequent cracking or bursting of a surface or near-surface bed.
Plan-view shapes include circular (c), subcircular (sc), and ellipsoidal (e) discoids. Grain sizes include mud (sh), very fine (vf), fine (f), medium (m) sand.
Plus d'une centaine de structures radiales et discoides apparaissent au sommet des couches de schiste et de gres tres fins de la formation King Square du Cambrien (Serie 3), du Nouveau-Brunswick, au Canada.