roundness
English
[edit]Etymology
[edit]From Middle English roundnesse, equivalent to round + -ness.
Noun
[edit]roundness (usually uncountable, plural roundnesses)
- The quality or degree of being round.
- (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
- Synonym of rotundity.
- 1886 October – 1887 January, H[enry] Rider Haggard, She: A History of Adventure, London: Longmans, Green, and Co., published 1887, →OCLC:
- I gazed at her arm. Where was its wonderful roundness and beauty? It was getting thin and angular.
- (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).