wavelength
/ˈweɪvlɛŋ(k)θ/
In a literal scientific context, it refers to the physical distance between successive crests of a wave. It is a neutral, technical term used in physics and engineering. In common social usage, it describes a state of mutual understanding or shared thinking. When two people are on the "same wavelength," they possess a natural alignment in perspective, temperament, or opinion without needing extensive explanation. Unlike 'agreement,' which can be reached through negotiation, being on the same wavelength implies an intuitive, almost instantaneous connection. It suggests a harmonic resonance between two minds.
💬Casual Conversation
Brian, I'm hoping we're on the same wavelength for this cloud integration.
Did you even check the port configurations?
Meanings
Collocations & Compounds
radio wavelength
The specific length of radio waves used for broadcasting.
The station was broadcasting on a different radio wavelength than usual.
wavelength division multiplexing
A technique used in optical communications to transmit data over a single optical fiber by using different wavelengths of light.
Wavelength division multiplexing allows for significantly higher data transmission rates.
wavelength range
The spectrum of wavelengths associated with a particular phenomenon or device.
The telescope is sensitive to a wide wavelength range.
short wavelength
Electromagnetic radiation with a small wavelength.
High-energy photons have a short wavelength.
long wavelength
Electromagnetic radiation with a large wavelength.
Infrared radiation has a relatively long wavelength.
Idioms & Sayings
on the same wavelength
Thinking in a similar way to someone else; understanding each other well.
It's great to finally work with someone who is on the same wavelength.
get on the same wavelength
To begin to understand and agree with someone.
We spent the first hour of the meeting trying to get on the same wavelength.
not on the same wavelength
Not understanding each other or thinking in the same way.
It seems we are not on the same wavelength about this project's direction.
Etymology
The word 'wavelength' originates from the combination of 'wave' and 'length'. 'Wave' comes from the Old English 'wæġf', related to 'wagian' (to move, to shake). 'Length' derives from the Old English 'ġe læng', meaning 'duration, extent'. The term was first used in physics to describe the spatial period of a periodic physical wave, the distance over which the wave's shape repeats. Its metaphorical use, referring to a state of mutual understanding or shared perspective, emerged later, drawing an analogy between the literal wave property and a figurative 'wave' of thought or feeling.