principle of superposition
noun Physics.
any of several physical laws that the resultant of similar vector quantities at a point is a function of the sum of the individual quantities, especially the law that the displacement at a point in a medium undergoing simple harmonic motion is equal to the sum of the displacements of each individual wave.
Also called superposition principle.
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019