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Word: concave
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Meaning:
Adjective:
- curved inward like the inside of a bowl
Source: Wiktionary
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Noun:
- A concave surface or curve.
- industry An element of a curved grid used to separate desirable material from tailings or chaff in mining and harvesting.
- One of the celestial spheres of the Ptolemaic or geocentric model of the world.
- skateboarding An indented area on the top of a skateboard, providing a position for foot placement and increasing board strength.
- surfing An indentation running along the base of a surfboard, intended to increase lift.
- The vault of the sky.
Source: Wiktionary
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Verb:
- To render concave, or increase the degree of concavity.
Source: Wiktionary
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