concaveadjective
uk/ˈkɒŋ.keɪv/us/ˈkɑːn.keɪv/curving in:
a concave lens
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convex
Thesaurus: synonyms and related words
Geometry: properties of circles & curves
- amplitude
- arc
- arched
- belly
- circumference
- circumferential
- concentric
- curve
- curvy
- eccentric
- elliptical
- gauge
- geodesic
- globular
- helix
- incisura
- parabola
- round
- rounded
- sinuous
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concavity
noun [ C or U ] uk/ˌkɒnˈkæv.ə.ti/us/ˌkɑːnˈkæv.ə.t̬i/