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English definition of “wave”

wave

noun [C]     /weɪv/
WATER B1 a line of higher water that moves across the surface of the sea or a lake: I could hear the waves crashing against the rocks.Waves
GROUP a group of people or things that arrive or happen together or in a short period of time: There has been a wave of kidnappings in the region. Another wave of refugees is arriving at the border.Order and sequenceSimultaneous and consecutive
a wave of hatred/enthusiasm/sadness, etc an emotion that you suddenly feel: She felt a sudden wave of sadness.Feelings - general words
HAND a movement of your hand from side to side in order to attract someone's attention or say goodbye: She gave a little wave as the train left.Gestures with the hands or arms
ENERGY B2 a piece of sound, light, or other energy that travels up and down in a curved pattern: a radio wave → See also new wave, tidal waveThe state of matter
(Definition of wave noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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