What does concave mean?
Concave means Curved like the inner surface of a sphere or bowl..
Concave
/ˈkɒn.keɪv/ · adjective
Meaning
Curved like the inner surface of a sphere or bowl..
Definitions by Sense
- Curved like the inner surface of a sphere or bowl.
- (geometry, not comparable, of a polygon) Not convex; having at least one internal angle greater than 180 degrees.
- (functional analysis, not comparable, of a real-valued function on the reals) Satisfying the property that all segments connecting two points on the function's graph lie below the function.
- Hollow; empty.
- A concave surface or curve.
- The vault of the sky.
- One of the celestial spheres of the Ptolemaic or geocentric model of the world.
- (manufacturing) An element of a curved grid used to separate desirable material from tailings or chaff in mining and harvesting.
Example Sentences
as concave […] as a worm-eaten nut
Aristotle makes [Fire] to move to the concave of the Moon. - Thomas Salusbury (1661).
Synonyms for concave
Antonyms for concave
Related Words
Word Forms
- more concave
- most concave
- concaves
- concaving
- concaved
Usage Notes
Choose a synonym only when it preserves the intended meaning, tone, and grammar of the full sentence.
Practice and Learn More
Frequently Asked Questions
What is a synonym for concave?
Common synonyms include concavous, indented, depressed, recessed.
What is the opposite of concave?
Possible antonyms include convex, bulging.
How do you use concave in a sentence?
as concave […] as a worm-eaten nut
Sources & Attribution
FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0
Dictionary data is provided by FreeDictionaryAPI.com and sourced from Wiktionary under its stated license.