roundness

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English

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Etymology

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From Middle English roundnesse, equivalent to round +‎ -ness.

Noun

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roundness (usually uncountable, plural roundnesses)

  1. The quality or degree of being round.
    1. (engineering, manufacturing) The degree of accuracy to which a manufactured object intended to be round fulfills that requirement; it is measured by parameters such as TIR (total indicator reading).
      Coordinate terms: flatness, sphericity
    2. Synonym of rotundity.