| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024cat•e•nar•y (kat′n er′ē; esp. Brit. kə tē′nə rē),USA pronunciation n., pl. -nar•ies, adj. n. - [Math.]the curve assumed approximately by a heavy uniform cord or chain hanging freely from two points not in the same vertical line. Equation:y = kcosh(x/k).
- (in electric railroads) the cable, running above the track, from which the trolley wire is suspended.
adj. - of, pertaining to, or resembling a catenary.
- of or pertaining to a chain or linked series.
- Latin catēnārius relating to a chain, equivalent. to catēn(a) a chain + -ārius -ary
- 1780–90
Collins Concise English Dictionary © HarperCollins Publishers:: catenary /kəˈtiːnərɪ/ n ( pl -ries)- the curve assumed by a heavy uniform flexible cord hanging freely from two points. When symmetrical about the y-axis and intersecting it at y = a, the equation is y = a cosh x/a
- the hanging cable between pylons along a railway track, from which the trolley wire is suspended
adj
Also: catenarian /ˌkætɪˈnɛərɪən/ - of, resembling, relating to, or constructed using a catenary or suspended chain
Etymology: 18th Century: from Latin catēnārius relating to a chain |