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WordNet-Online 
 Definitions from WordNet | ||||
| Definitions from the WebTerm: concavo-concaveDefinition: Concavo-concave refers to a shape or surface that curves inward on both sides, resembling a double concave lens or an hourglass shape. Usage: 
 Sample Sentences: 
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| concave edge concave lens concave polygon concave polyhedron concave shape concavely concaveness concavity concavo-concave concavo-convex conceairs conceal conceal antonyms concealable concealed-weapons concealed concealed falconry 
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