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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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n. - The property possessed by a shape that curves inward; A shape that curves or bends inward.

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Usage examples (30)
  • Its surface, though flat, assumed an appearance of concavity.
  • Mr Jeff: finding zeroes of non-quadratic functions to use for concavity tests
  • Their convexity is turned towards the uterus, the concavity towards the embryo.
  • Between us and the rapids, the concavity of the southern bank forms a bight or bay.
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The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.