undulation vs impulse

impulse vs undulation

undulation and impulse both are nouns.

Word	Noun	Adjective	Verb	Adverb
undulation	Yes	No	No	No
impulse	Yes	No	No	No

As nouns, impulse is a hyponym of undulation; that is, impulse is a word with a more specific, narrower meaning than undulation:

undulation: (physics) a movement up and down or back and forth
impulse: (electronics) a sharp transient wave in the normal electrical state (or a series of such transients)

Other hyponyms of undulation include gravitation wave, gravity wave, sine wave, oscillation, vibration, fluctuation, seiche, standing wave, stationary wave, traveling wave, travelling wave, acoustic wave, sound wave, wave form, wave shape, waveform, blast wave, shock wave, pulsation, pulse, pulsing, flap, flapping, flutter, fluttering.

undulation (noun)	impulse (noun)
(physics) a movement up and down or back and forth	the act of applying force suddenly
wavelike motion; a gentle rising and falling in the manner of waves	an impelling force or strength
an undulating curve	the electrical discharge that travels along a nerve fiber
	(electronics) a sharp transient wave in the normal electrical state (or a series of such transients)
	a sudden desire
	an instinctive motive

Difference between undulation and impulse

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