Morse key
Telegraphy
noun
A key forming part of the Morse telegraph apparatus, which is pressed and released to send signals in Morse code.
Origin
Mid 19th century; earliest use found in George Prescott (1830–1894).
- pre-reflexive
- pre-reformatory
- preregister
- preregistration
- pre-relativistic
- pre-release
- prerenal
- pre-reproductive
- prerequire
- prerequired
- supratemporal
- supraterraneous
- supraterrestrial
- suprathermal
- suprathreshold
- supratidal
- supratropical
- supravaginal
- supravision
- supravisor
- supravital
- supremacism
- supremacist
- supremacy
- Supremacy, Act of