concavity

con·cav·i·ty

noun \kän-ˈka-və-tē\

plural con·cav·i·ties

Definition of CONCAVITY

1

: a concave line, surface, or space : hollow

2

: the quality or state of being concave

Examples of CONCAVITY

1. the concavity of the lens
2. The lower back forms a concavity.
3. The large concavities along the wall of the restaurant are like private rooms.

First Known Use of CONCAVITY

15th century

Related to CONCAVITY

Synonyms: cavity, hole, dent, depression, dint, hollow, indentation, indenture, pit, recess

Antonyms: bulge, camber, convexity, jut, projection, protrusion, protuberance

Related Words: burrow, cave, cavern, ditch, excavation, furrow, groove, gutter, trench, trough; basin, bowl, valley; alcove, cleft, niche, nook, opening, recess, socket; alveolus, dimple, gouge, impression, imprint, notch, pocket; borehole, chuckhole, crater, posthole, pothole, sinkhole, wallow, water hole, well; abyss, chasm, gulf, vacuity, vacuum, void

Near Antonyms: hill, mound, rise; bump, bunch, hump, lump, pimple, swell, swelling, tumor

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