discoid
[dis-koid]
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.
Origin of discoid
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Related Words for discoid
spherical, rounded, cylindrical, elliptical, oval, curved, bulbous, plate, platter, disc, bowed, looped, arched, spiral, circular, arced, bent, ringed, coiled, spheroidExamples from the Web for discoid
Historical Examples of discoid
The tumors appear as discoid prominences of varying size and number.
The radiate type is shown by discoid infusoria, by medusæ, by starfish and their allies.
Form and FunctionE. S. (Edward Stuart) Russell
Anterior above with a small, linear-oval, black, discoid spot.
Heads discoid, 15–many-flowered, in corymbose cymes; flowers perfect.
The tubular flowers compose the disk; and a head which has no ray-flowers is said to be discoid.
discoid
adjective Also: discoidal (dɪsˈkɔɪdəl)
noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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discoid
[dĭs′koid′]
adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.