| 单词 |
nodality |
| 释义 |
nodality|nəʊˈdælɪtɪ|
[f. nodal a. + -ity.]
a. The degree to which a place is a point of convergence for routes, roads, or the like.
1897Geogr. Jrnl. IX. 78 A higher degree of ‘nodality’, to use Mr. Mackinder's term, is found where several such furrows [sc. shallow valleys in the chalk] meet to form a well-marked though by no means deep hollow. 1902H. J. Mackinder Britain & British Seas xix. 330 A spot upon which more numerous land and water roads converge, as in a defile past some natural obstacle, may be said to have a higher degree of nodality. 1953J. M. Houston Social Geogr. Europe ix. 205 In cities of long history, such as Paris, it is easy to point out the geographical advantages of the site and the elements of nodality, whether at a bridge-head, a crossing of routes or at a transfer point.
b. The number of nodes of an oscillation.
1905Trans. R. Soc. Edin. XLI. 602 In any given lake, seiches of all degrees of nodality, i.e. uninodal, binodal, trinodal, etc., are possible. 1957G. E. Hutchinson Treat. Limnol. I. v. 299 In the case of Loch Earn, periods have been identified which may belong to a nodality as high as the sixteenth. |
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