Definition of electrogravitics in US English:

electrogravitics

noun

Science Fiction
  • The investigation of the possible use of electrical phenomena, especially electrostatics, to counteract or neutralize gravitational force.

Origin

1950s; earliest use found in Interavia.

Pronunciation

electrogravitics

/ɪˌlɛktrə(ʊ)ɡrəˈvɪtɪks/