The word is oscillation.
Reciprocating.
loner star
A back-and-forth or reciprocating movement is known as an oscillation. An example would be the motion of a pendulum. Closely related words include flux, undulation, pulsation, cycle, vibration, alternation, and see-saw(ing).
That motion is called oscillation. It refers to a regular back and forth movement typically around a central point.
back in forth movement is the anwser
The back and forth movement is most commonly attributed to oscillations.
The movement of waves is called oscillation, which refers to the repeating back-and-forth or up-and-down motion of the wave as it travels through a medium.
A
they vibrate back and forth.
Another way to say "back and forth" is "to and fro."
To and fro is another phrase that means back and forth. Back and forth can also refer to a quick dialogue between two people, and another word for that kind of back and forth is repartee.
No, it is not a preposition.Used for a verb, it is a compound adverb: going back, and forth.Used to describe a movement, it is a compound adjective: a back-and-forth motion