English > undulation: 3 senses > noun 3, event| Meaning | (physics) a movement up and down or back and forth. |
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| Synonym | wave |
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| Category | physics, natural philosophy | The science of matter and energy and their interactions |
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| Narrower | flap, flapping, flutter, fluttering | The motion made by flapping up and down |
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| fluctuation | A wave motion |
| gravity wave, gravitation wave | (physics) a wave that is hypothesized to propagate / propagate gravity and to travel at the speed of light |
| oscillation, vibration | (physics) a regular periodic variation in value about a mean |
| pulsation, pulsing, pulse, impulse | (electronics) a sharp transient wave in the normal electrical state (or a series of such transients) |
| seiche | A wave on the surface of a lake or landlocked bay |
| shock wave, blast wave | A region of high pressure travelling through a gas at a high velocity |
| sine wave | A wave whose waveform resembles a sine curve |
| sound wave, acoustic wave | (acoustics) a wave that transmits sound |
| standing wave, stationary wave | A wave (as a sound wave in a chamber or an electromagnetic wave in a transmission line) in which the ratio of its instantaneous amplitude at one point to that at any other point does not vary with time |
| traveling wave, travelling wave | A wave in which the medium moves in the direction of propagation of the wave |
| wave form, waveform, wave shape | The shape of a wave illustrated graphically by plotting the values of the period quantity against time |
| Broader | movement, motion | A natural event that involves a change in the position or location of something |
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| Spanish | onda, ondulación |
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| Catalan | ona |
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| Verbs | undulate | move in a wavy pattern or with a rising and falling motion |
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