dis·​coid | \ ˈdi-ˌskȯid How to pronounce discoid (audio) \

Definition of discoid

1 : relating to or having a disk: such as
a : situated in the floral disk discoid florets
b : having only disk flowers a discoid flower head
2 : flat and circular like a disc

Examples of discoid in a Sentence

Recent Examples on the Web When 23-year-old Jokiva Bellard was diagnosed with discoid lupus five years ago, she was devastated. Hayley Macmillen, Allure, "Lupus Advocate Jokiva Bellard Shares Why She Feels Most Beautiful When She's Sick," 23 Jan. 2018 Discoid lupus is medically described as a skin condition in which sores appear on the face, scalp and arms and can cause alopecia. Jackeline Stewart, The Root, "For Colored Girls Who Don’t Know They’re Struggling," 23 July 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'discoid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of discoid

1712, in the meaning defined at sense 1

History and Etymology for discoid

Late Latin discoides quoit-shaped, from Greek diskoeidēs, from diskos disk

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Time Traveler for discoid

Time Traveler

The first known use of discoid was in 1712

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Cite this Entry

“Discoid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/discoid. Accessed 19 Feb. 2020.

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More Definitions for discoid


dis·​coid | \ ˈdis-ˌkȯid How to pronounce discoid (audio) \

Medical Definition of discoid

 (Entry 1 of 2)

1 : resembling a disk : being flat and circular the red blood cell is a biconcave discoid body
2 : characterized by macules discoid lupus erythematosus



Medical Definition of discoid (Entry 2 of 2)

: an instrument with a disk-shaped blade used in dentistry for carving

More from Merriam-Webster on discoid

Rhyming Dictionary: Words that rhyme with discoid

Nglish: Translation of discoid for Spanish Speakers

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