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Noun undulation has 3 senses
- wave, undulation - an undulating curve
--1 is a kind of curve, curved shape
--1 has particulars: sine curve, sinusoid
- undulation - wave-like motion; a gentle rising and falling in the manner of waves
--2 is a kind of movement, motion
- wave, undulation - (physics) a movement up and down or back and forth
--3 is a kind of movement, motion
--3 has particulars:
| ||gravity wave, gravitation wave; sine wave; oscillation, vibration; fluctuation; seiche; standing wave, stationary wave; traveling wave; sound wave, acoustic wave; wave form, waveform, wave shape; shock wave, blast wave; pulsation, pulsing, pulse, impulse; flap, flapping, flutter, fluttering|