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
Heads discoid, 15–many-flowered, in corymbose cymes; flowers perfect.
From The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee by Gray, Asa
P. exp. depr. edge of margin upturned, discoid, glabrous, egg-yellow; g. rusty cinnamon; s. solid, rather wavy, white above ring, fibrillose and yellow below. saginus, 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.
