| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a gadget; dingus; thingumbob. |
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. |
on the same wavelength definition
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on the same wavelength
In complete accord, in rapport, as in Conductor, orchestra members, soloists, and chorus all were on the same wavelength, making for a wonderful performance. This term alludes to radio waves that carry a broadcast. [First half of 1900s]