[weyv-lengkth, -length, -lenth] 
| 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. |
wave·length (wāv'lěngkth', -lěngth', -lěnth')  (click for larger image in new window) n. Abbr. WL The distance between one peak or crest of a wave of light, heat, or other energy and the next corresponding peak or crest. |
wavelength wave·length (wāv'lěngkth', -lěngth')
n.
Symbol λ The distance between one peak or crest of a wave of light, heat, or other energy and the next corresponding peak or crest.
| wavelength (wāv'lěngkth') Pronunciation Key
The distance between one peak or crest of a wave and the next peak or crest. It is equal to the speed of the wave divided by its frequency, and to the speed of a wave times its period. |
