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discoid

[ dis-koid ]
/ ˈdɪs kɔɪd /
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SEE MORE SYNONYMS FOR discoid ON THESAURUS.COM

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.

RELATED WORDS

spherical, rounded, cylindrical, elliptical, oval, curved, bulbous, plate, platter, disc, bowed, looped, arched, spiral, circular, arced, bent, ringed, coiled, spheroid

Nearby words

  1. discogenic,
  2. discogram,
  3. discographer,
  4. discographical,
  5. discography,
  6. discoid lupus erythematosus,
  7. discology,
  8. discolor,
  9. discoloration,
  10. discolour

Origin of discoid

1785–95; < Late Latin discoīdēs < Greek diskoeidḗs quoit-shaped. See discus, -oid
Related formspost·dis·coi·dal, adjectivesub·dis·coid, adjectivesub·dis·coi·dal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples 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
Medicine definitions for discoid

discoid

[ dĭs′koid′ ]

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.