WordReference Random House Unabridged Dictionary of American English © 2026
wave′ func′tion, [Physics.]
  1. Physicsa solution of a wave equation.
  2. Physics(in quantum mechanics) a mathematical function, found by solving a quantum-mechanical wave equation, that is used to predict the outcome of measurements on physical systems.

Collins Concise English Dictionary © HarperCollins Publishers::
wave function n
  1. a mathematical function of position and generally time, used in wave mechanics to describe the state of a physical systemSymbol: ψ
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'wave function' also found in these entries (note: many are not synonyms or translations):
orbital - parity - degenerate state - Fourier analysis - quantum state

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