/wayv"lengkth', -length', -lenth'/ , n.
1. Physics. the distance, measured in the direction of propagation of a wave, between two successive points in the wave that are characterized by the same phase of oscillation.
2. on the same wavelength , in sympathy or rapport: We seemed to be on the same wavelength from the moment we met.
Also, wave length .
[ 1855-60; WAVE + LENGTH ]