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单词 isodynamic
释义

isodynamicadj.n.

/ˌʌɪsəʊdɪˈnamɪk/
Etymology: < Greek ἰσοδύναμος equal in power + -ic suffix: after dynamic.
Of or pertaining to equal force.
1. Physical Geography, etc. Indicating equal (magnetic) force; applied to lines connecting points (of the earth's surface, etc.) at which the intensity of the magnetic force is the same; or to a map or chart on which such lines are marked. Also as n. An isodynamic line.
ΚΠ
1837 D. Brewster Treat. Magnetism 254 M. Hansteen has projected on a map of the globe the lines passing through the places in which the [magnetic] intensity has the same value. These lines he calls isodynamic lines or those of equal force, and they are, generally speaking, nearly parallel to each other, and to the lines of equal dip.
1839 Sabine (title) Report on the Magnetic Isoclinal and Isodynamic Lines in the British Islands.
1857 W. Whewell Hist. Inductive Sci. (ed. 3) III. 52 The intensity of the magnetic force is expressed by charts..on which are drawn the isodynamic..curves.
2. Of equal force, value, or efficacy.
ΘΚΠ
the world > action or operation > advantage > efficacy > [adjective] > having force or power > having equal force or efficacy
isodynamic1842
1842 Blackwood's Edinb. Mag. 52 729 Forty gallons of water..in the ‘Black Hole’ of Calcutta, would have been rated..as isodynamic with gold.
This entry has not yet been fully updated (first published 1900; most recently modified version published online June 2021).
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adj.n.1837
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