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单词 tautochronism
释义

tautochronismn.

Brit. /ˌtɔːtəˈkrɒnɪz(ə)m/, U.S. /ˌtɔdəˈkrɑnɪz(ə)m/, /ˌtɑdəˈkrɑnɪz(ə)m/
Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: tautochrone n., -ism suffix.
Etymology: < tautochrone n. + -ism suffix, after French tautochronisme (1733 or earlier).
Physics.
The property of being a tautochrone.
ΘΚΠ
the world > relative properties > number > geometry > curve > [noun] > used in physics
isochrona1774
tautochronea1774
catenary1788
tautochronism1814
adiabatic1871
catenarian1872
adiabat1891
1814 J. Toplis tr. P. S. de Laplace Treat. Analyt. Mech. ii. 66 It is not therefore possible to have tautochronism [Fr. tautochronisme] but on the supposition [etc.].
1842 Exam. Papers 47 in Dublin Univ. Cal. (1843) Prove that the cycloid is the only plane curve possessing the property of tautochronism.
1903 Proc. 52nd Meeting Amer. Assoc. Advancem. Sci. 362 I let him carry out some proofs in mechanics by the integral calculus, such as variable motion, the tautochronism of the cycloid, and the like.
1952 Osiris 10 287 Hooke credited Huygens with the demonstration of the tautochronism of the cycloidal pendulum.
2005 M. R. Matthews in M. R. Matthews et al. Pendulum 218 Galileo returns to this example of del Monte's..in defence of his claims for the tautochronism of circular motion.
This entry has been updated (OED Third Edition, June 2014; most recently modified version published online March 2022).
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n.1814
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