undulation vs flutter

flutter vs undulation

undulation and flutter both are nouns.

undulation is not a verb while flutter is a verb.

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

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

undulation: (physics) a movement up and down or back and forth
flutter: the motion made by flapping up and down

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, impulse, pulsation, pulse, pulsing, flap, flapping, fluttering.

undulation (noun)	flutter (noun)
(physics) a movement up and down or back and forth	the act of moving back and forth
wavelike motion; a gentle rising and falling in the manner of waves	the motion made by flapping up and down
an undulating curve	abnormally rapid beating of the auricles of the heart (especially in a regular rhythm); can result in heart block
	a disorderly outburst or tumult

undulation (verb)	flutter (verb)
	wink briefly
	beat rapidly
	move back and forth very rapidly
	move along rapidly and lightly; skim or dart
	flap the wings rapidly or fly with flapping movements

Difference between undulation and flutter

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