discoid

[ dis-koid ]
/ ˈdɪs kɔɪd /

adjective Also dis·coi·dal.

having the form of a discus or disk; flat and circular.
Botany. (of a composite flower) consisting of a disk only, without rays.

noun

something in the form of a disk.
Dentistry. an excavator with a disklike blade.

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Origin of discoid

1785–95; <Late Latin discoīdēs<Greek diskoeidḗs quoit-shaped. See discus, -oid

OTHER WORDS FROM discoid

post·dis·coi·dal, adjectivesub·dis·coid, adjectivesub·dis·coi·dal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for discoid

British Dictionary definitions for discoid

discoid
/ (ˈdɪskɔɪd) /

adjective Also: discoidal (dɪsˈkɔɪdəl)

like a disc
(of a composite flower such as the tansy) consisting of disc florets only

noun

a disclike object
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for discoid

discoid
[ dĭskoid′ ]

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.