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wave-form

or wave·form

[weyv-fawrm]
noun Physics.
  1. the shape of a wave, a graph obtained by plotting the instantaneous values of a periodic quantity against the time.

Origin of wave-form

First recorded in 1840–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for waveform

waveform

noun
  1. physics the shape of the graph of a wave or oscillation obtained by plotting the value of some changing quantity against time
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012