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a surface of a propagating wave, made up of all points at which the phase of oscillation is the same.
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|Noun||1.||wave front - all the points just reached by a wave as it propagates|
propagation - the movement of a wave through a medium
wave - a persistent and widespread unusual weather condition (especially of unusual temperatures); "a heat wave"
|2.||wave front - (physics) an imaginary surface joining all points in space that are reached at the same instant by a wave propagating through a medium|
natural philosophy, physics - the science of matter and energy and their interactions; "his favorite subject was physics"
surface - the extended two-dimensional outer boundary of a three-dimensional object; "they skimmed over the surface of the water"; "a brush small enough to clean every dental surface"; "the sun has no distinct surface"