discoid
Americanadjective
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having the form of a discus or disk; flat and circular.
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Botany. (of a composite flower) consisting of a disk only, without rays.
noun
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something in the form of a disk.
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Dentistry. an excavator with a disklike blade.
adjective
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like a disc
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(of a composite flower such as the tansy) consisting of disc florets only
noun
Other Word Forms
- postdiscoidal adjective
- subdiscoid adjective
- subdiscoidal adjective
Etymology
Origin of discoid
1785–95; < Late Latin discoīdēs < Greek diskoeidḗs quoit-shaped. See discus, -oid
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
But more significantly, another joke at singer Seal’s expense was not about his race — it was about his FACE, which is scarred by a type of lupus called discoid lupus erythematous.
From New York Times • Jul. 7, 2016
Let Me In closes the album in darkly shimmering style, the epic climax to 43 minutes of discoid posturing and deathless yearning.
From The Guardian • Aug. 17, 2011
His dermatologist, Dr Arnold Klein, has said that around the same time Jackson had also been diagnosed with discoid lupus, an auto-immune disease that causes skin lesions, loss of pigment and permanent alopecia.
From The Guardian • Apr. 23, 2010
Contractile vacuoles 1-3, a complex of variable arrangement; pellicle delicate; plastids discoid chlorophyll-bodies; reserves oil; eye-spot absent even in active state; holophytic or saprophytic, though with an anterior blind tubular depression simulating a pharynx.
From Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 4 "Finland" to "Fleury, Andre" by Various
P. depr. shining, discoid, bright yellow; g. serrate, rusty-cinnamon; s. slightly curved, fibrillose, yellow. russus, Fr.
From European Fungus Flora: Agaricaceae by Massee, George
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
