concavity

== English == === Etymology === From Old French concavité. Morphologically concave +‎ -ity. === Pronunciation === IPA(key): /kəŋˈkævɪti/ Rhymes: -ævɪti === Noun === concavity (countable and uncountable, plural concavities) (uncountable) The state of being concave (countable) A concave structure or surface ==== Antonyms ==== convexity ==== Derived terms ==== ==== Translations ====