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1. (General Physics) the theory proposed by Huygens that light is transmitted by waves
2. (General Physics) any theory that light or other radiation is transmitted as waves. See electromagnetic wave
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|Noun||1.||wave theory - (physics) the theory that light is transmitted as waves|
scientific theory - a theory that explains scientific observations; "scientific theories must be falsifiable"
natural philosophy, physics - the science of matter and energy and their interactions; "his favorite subject was physics"