Definition of electrotelegraphic in US English:

electrotelegraphic

adjective

Telegraphy
rare, historical
  • Of or relating to electrotelegraphy.

Origin

Mid 19th century; earliest use found in The Mechanics' Magazine.

Pronunciation

electrotelegraphic

/ɪˌlɛktrə(ʊ)tɛlɪˈɡrafɪk/