short-wave
UK[ˌʃɔːt ˈweɪv]US[ˌʃɔːrt ˈweɪv]
n
A radio wave with a wavelength between about 10 and 100 meters (corresponding to a frequency of about 3 to 30 MHz).
adj
Relating to or using short-wave radio.
Morpheme Breakdown
short
wave
short
limited
wave
undulation
Etymology
The term "short-wave" is a modern English compound, formed by directly combining two native Germanic elements to describe a specific physical phenomenon. The adjective "short," with its Proto-Germanic root skurtaz, conveys the concept of limited extent, here applied to wavelength. "Wave," from the Proto-Germanic wag-, carries the core idea of motion or fluctuation. In the early 20th century, as radio technology advanced, this transparent compound was coined to distinguish these higher-frequency, shorter-wavelength radio waves from the initially more common "long-wave" transmissions. The logic is purely descriptive, contrasting physical scale within the electromagnetic spectrum.
Analysis
Structure: short (limited) + wave (undulation)
short: From Old English sceort, meaning "not long, not tall." Its functional role is to denote a limited length or duration.
wave: From Old English wafian ("to wave with the hands") and wæg ("motion, wave"). Its functional role is to denote an oscillating or undulating motion.
Examples
The amateur radio operator communicated with another continent using a short-wave transmitter.
We listened to the international news broadcast on the short-wave band.
Short-wave radio signals can be reflected by the ionosphere, allowing for long-distance communication.