wave front

Noun
  1. All the points just reached by a wave as it propagates (synset 111534064)
    is a type of: propagation - the movement of a wave through a medium
    is a part of: wave - a persistent and widespread unusual weather condition (especially of unusual temperatures)
  2. (physics) an imaginary surface joining all points in space that are reached at the same instant by a wave propagating through a medium (synset 108699704)
    referred to in: natural philosophy, physics - the science of matter and energy and their interactions
    is a type of: surface - the extended two-dimensional outer boundary of a three-dimensional object
    same as: wavefront

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