discoid
Definition
Adjective: - Having the shape of a disk; flat and circular in form.
Usage
The adjective "discoid" is used to describe an object that is shaped like a disc or a coin—flat, thin, and circular. It is a formal or scientific term.
Examples
- The archaeologist found a discoid stone artifact, perfectly round and flat.
- Some types of bacteria form discoid colonies on the culture plate.
- The plant's leaves are not pointed but are broadly discoid.
Advanced Usage
- In botany, a discoid flower head is one where all the florets are disc florets (tubular), lacking the ray florets (petal-like) found in daisies.
- In medicine, a discoid rash or lesion is one that is round and flat, often used to describe a symptom of certain skin conditions like lupus.
Variants and Related Words
- Discoidal (adjective): A variant form with the same meaning as "discoid."
- The cell had a distinctive discoidal shape.
- Disc (noun): The common word for a thin, flat, circular object.
- Disk (noun): An alternative spelling of "disc," common in American English.
Synonyms
- Disc-shaped
- Disk-shaped
- Circular
- Round
- Flat and round
Antonyms
- Spherical
- Cubical
- Cylindrical
- Irregular
Adjective
-
having a flat circular shape
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