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单词	cycloid
释义	cycloid 1 of 2 noun cy·​cloid ˈsī-ˌklȯid  : a curve that is generated by a point on the circumference of a circle as it rolls along a straight line cycloidal sī-ˈklȯi-dᵊl  adjective Illustration of cycloid cycloid 2 of 2 adjective 1 : smooth with concentric lines of growth cycloid scales also : having or consisting of cycloid scales 2 : characterized by alternating high and low moods a cycloid personality Example Sentences Recent Examples on the Web Noun The model on display in the Museo Galileo allows one to test this result by building two tracks: one shaped like a cycloid, the other shaped like the arc of a circle, for comparison. Jennifer Ouellette, Ars Technica, 17 May 2020 The solution is a cycloid, which is the curve created by a rolling wheel in a circle. Jennifer Ouellette, Ars Technica, 17 May 2020 Word History Etymology Noun French cycloïde, from Greek kykloeidēs circular, from kyklos First Known Use Noun 1661, in the meaning defined above Adjective 1847, in the meaning defined at sense 1 Medical Definition cycloid 1 of 2 noun cy·​cloid ˈsī-ˌklȯid  : a cycloid individual cycloid 2 of 2 adjective : relating to, having, or being a personality characterized by alternating high and low moods compare cyclothymic
随便看	livyer livyere livyers liwa lixivia lixivial lixiviate lixiviated lixiviates lixiviating lixiviation lixiviations lixivious lixiviums lizae lizard lizard bronze lizard fish lizard flower lizard orchis Lizard Point lizard's tail lizard's-tail family lizardfishes lizards

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