最終更新日：2024/07/28

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(geometry) The locus of a point on the circumference of a circle that rolls without slipping on a fixed straight line. / (zoology) A fish having cycloid scales.

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cycloid

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cycloid

/ˈsaɪklɔɪd/

noun

(geometry) The locus of a point on the circumference of a circle that rolls without slipping on a fixed straight line. / (zoology) A fish having cycloid scales.