discoid
having the form of a discus or disk; flat and circular.
Botany. (of a composite flower) consisting of a disk only, without rays.
something in the form of a disk.
Dentistry. an excavator with a disklike blade.
Origin of discoid
1Other words from discoid
- post·dis·coi·dal, adjective
- sub·dis·coid, adjective
- sub·dis·coi·dal, adjective
Words Nearby discoid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use discoid in a sentence
The radiate type is shown by discoid infusoria, by medusæ, by starfish and their allies.
Form and Function | E. S. (Edward Stuart) RussellHeads 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.
Heads discoid, 2–5-flowered, several together clustered into a compound pedunculate head; flowers perfect.
Heads rather many-flowered, discoid; flowers as in Pluchea, the central usually sterile.
British Dictionary definitions for discoid
/ (ˈdɪskɔɪd) /
like a disc
(of a composite flower such as the tansy) consisting of disc florets only
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
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