Definition of longitudinal wave in English:

longitudinal wave

Syllabification: lon·gi·tu·di·nal wave

noun

Physics
A wave vibrating in the direction of propagation.
More example sentences
  • Since the motion of the medium at any point is a small vibration back and forth in the direction in which the wave is proceeding, sound is termed a longitudinal wave.
  • Doppler was incorrect regarding light being a longitudinal wave.

Definition of longitudinal wave in:

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Word of the day hubris
Pronunciation: ˈ(h)yo͞obris
noun
excessive pride or self-confidence