tautochrone
English
Etymology
From Ancient Greek ταὐτός (tautós, “the same”) + χρόνος (khrónos, “time”).
Noun
tautochrone (plural tautochrones)
- (mathematics) A curve, 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.
- Synonym: tautochrone curve
- An inverted cycloid with its base horizontal is a tautochrone.
Derived terms
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for “tautochrone”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)
French
Pronunciation
- IPA(key): /tɔ.tɔ.kʁɔn/, /to.tɔ.kʁɔn/
Audio (file)
Further reading
- “tautochrone”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.
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