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wavelength

[weyv-lengkth, -length, -lenth] /ˈweɪvˌlɛŋkθ, -ˌlɛŋθ, -ˌlɛnθ/
noun
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.
Idioms
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.
Origin
1855-1860
1855-60; wave + length
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for on the same wavelength

wavelength

/ˈweɪvˌlɛŋθ/
noun
1.
the distance, measured in the direction of propagation, between two points of the same phase in consecutive cycles of a wave λ
2.
the wavelength of the carrier wave used by a particular broadcasting station
3.
(informal) on someone's wavelength, on the same wavelength, having similar views, feelings, or thoughts (as someone else)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for on the same wavelength

wavelength

n.

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.

Online Etymology Dictionary, © 2010 Douglas Harper
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on the same wavelength in Medicine

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.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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on the same wavelength in Science
wavelength
  (wāv'lěngkth')   
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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on the same wavelength in Culture

wavelength definition


The distance between crests (or troughs) of a wave.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Slang definitions & phrases for on the same wavelength

on the same wavelength

adjective phrase

In agreement; in harmony; tune in: Her door's open, but we are not on the same wavelength/ We do now have a long-range plan. Everybody's on the same page (1962+)


wavelength

Related Terms

on the same wavelength


The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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Idioms and Phrases with 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 ]
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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