noun. the measured space between consecutive peaks in a wave movement. The is equivalent to the velocity of propagation of the wave movement divided by its frequency.

WAVELENGTH: "A wavelight of visible light can range from small to larger nanometers. "
Cite this page: N., Pam M.S., "WAVELENGTH," in PsychologyDictionary.org, April 29, 2013, https://psychologydictionary.org/wavelength/ (accessed January 18, 2021).