I'm looking for a word that describes the oscillating motion of a bellows, like in an accordion. Oscillation doesn't quite cut it, because I'm also looking to get a sense of the air flow. A friend suggested "bacillation", which unfortunately isn't a real word. "Bronchillation" seems like a good word too, as it has "bronchus" as a root, but that isn't a real word either.
Learn English – Word that Describes the Motion of an Accordion
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Best Answer
Undulation refers to a wave motion:
It's original meaning was a wave in water:
It would not be unreasonable to extend the application to the wave of air caused by the bellows of the accordion, or the motion of the accordion itself. But then, you could opt for the simpler
Wave:
Pulsation feels good with regard to an accordion:
When you watch an accordion player, you see of the bellows expand into an arc, and then compress into a rectangle again. The expansion into an arc could be described as:
which also evokes the bellowing sound an accordion can make.
Of course, during its expansion the accordion is