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wavelength (n.)

also wave-length, 1850, "distance between peaks of a wave," from wave (n.) + length. Originally of spectra; radio sense is attested by 1925. Figurative sense of "mental harmony" is recorded from 1927, on analogy of radio waves.

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Definitions of wavelength

wavelength (n.)
the distance (measured in the direction of propagation) between two points in the same phase in consecutive cycles of a wave;
wavelength (n.)
a shared orientation leading to mutual understanding;
they are on the same wavelength
From wordnet.princeton.edu

Dictionary entries near wavelength

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