| 单词 | wave-motion |
| 释义 | > as lemmaswave-motion wave-motion n. motion in curves alternately concave and convex. ΘΚΠ the world > movement > motion in specific manner > alternating or reciprocating motion > [noun] > undulatory motion waving1571 undulation1646 roll1743 wave-motion1846 1846 W. R. Birt in Rep. Brit. Assoc. i. 135 In contemplating the transference of the barometric maxima and minima, we regard only the wave-motion—but very different must be the air-motion. 1882 P. G. Tait Light in Encycl. Brit. XIV. 603 The essential characteristic of wave-motion is that a disturbance of some kind is handed on from one portion of a solid or fluid mass to another. < as lemmas |
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