discoid
adjective
dis·coid ˈdi-ˌskȯid 
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
Example Sentences
Recent Examples on the Web The reasons for this discrepancy aren’t clear, but the answer could be tied to other discoid eczema risk factors. 
Stephanie Watson, SELF, 8 Apr. 2022 Dermatologists sometimes refer to this eczema type as discoid eczema, another reference to its signature circular marks. Stephanie Watson, SELF, 8 Apr. 2022 Opah are discoid fish, meaning they are shaped like large discs. oregonlive, 15 July 2021 This type of eczema—often called nummular eczema or discoid eczema—happens after some kind of skin injury (like a bug bite, burn, or cut), SELF previously reported. Korin Miller, SELF, 6 Oct. 2020 It can also be used to treat discoid lupus erythematosus and systemic lupus erythematosus. Adrianna Rodriguez, USA TODAY, 22 May 2020 In addition to malaria, the drug can also be used to treat acute and chronic rheumatoid arthritis, discoid lupus erythematosus and systemic lupus erythematosus. Elizabeth Weise, USA TODAY, 19 May 2020 When 23-year-old Jokiva Bellard was diagnosed with discoid lupus five years ago, she was devastated. Hayley Macmillen, Allure, 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, 23 July 2017 See More
Stephanie Watson, SELF, 8 Apr. 2022 Dermatologists sometimes refer to this eczema type as discoid eczema, another reference to its signature circular marks. Stephanie Watson, SELF, 8 Apr. 2022 Opah are discoid fish, meaning they are shaped like large discs. oregonlive, 15 July 2021 This type of eczema—often called nummular eczema or discoid eczema—happens after some kind of skin injury (like a bug bite, burn, or cut), SELF previously reported. Korin Miller, SELF, 6 Oct. 2020 It can also be used to treat discoid lupus erythematosus and systemic lupus erythematosus. Adrianna Rodriguez, USA TODAY, 22 May 2020 In addition to malaria, the drug can also be used to treat acute and chronic rheumatoid arthritis, discoid lupus erythematosus and systemic lupus erythematosus. Elizabeth Weise, USA TODAY, 19 May 2020 When 23-year-old Jokiva Bellard was diagnosed with discoid lupus five years ago, she was devastated. Hayley Macmillen, Allure, 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, 23 July 2017 See More Word History
Etymology
borrowed from New Latin discoīdēs, borrowed from Greek diskoeidḗs "shaped like a discus," from dískos discus + -oeidēs -oid entry 2
First Known Use
1712, in the meaning defined at sense 1
Medical Definition
discoid 1 of 2
adjective
dis·coid ˈdis-ˌkȯid
1
: resembling a disk : being flat and circular
the red blood cell is a biconcave discoid body
2
: characterized by macules
discoid lupus erythematosus
discoid
2 of 2noun
: an instrument with a disk-shaped blade used in dentistry for carving
discoid
adjective
as in discoidal
Synonyms & Similar Words
Relevance
- discoidal
- annular
- circular
- ringlike
- disciform
- globular
- spherical
- disklike
- spiral
- curved
- bulbous
- roundish
- ovoid
- hooplike
- cylindrical
- oval
- round
- oblong
- ovate
- global
- looped
- cylindric
- ovoidal
- rounded
- balled
- rotund
- elliptic
- elliptical
Antonyms & Near Antonyms
- nonspherical