3325英语网 英语单词
Tautochrone的音标发音
Tautochrone
英式发音：[tɔ:tәkrәun]
美式发音
(n.) A curved line, such that a heavy body, descending along it by the action of gravity, will always arrive at the lowest point in the same time, wherever in the curve it may begin to fall; as, an inverted cycloid with its base horizontal is a tautochrone.
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