单词 | catenary |
释义 | catenary /kat"n er'ee/; esp. Brit. /keuh tee"neuh ree/, n. , pl. catenaries, adj. n. 1. 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 = k cosh(x/k). 2. (in electric railroads) the cable, running above the track, from which the trolley wire is suspended. adj. 3. of, pertaining to, or resembling a catenary. 4. of or pertaining to a chain or linked series. [1780-90; < L catenarius relating to a chain, equiv. to caten(a) a chain + -arius -ARY] |
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