Noun
high frequency gravitational wave (plural high frequency gravitational waves)
Alternative spelling of high-frequency gravitational wave
high-frequency gravitational wave (plural high-frequency gravitational waves) (Abbreviated as: HFGW)
(physics, astronomy) gravitational radiation, in the megahertz to gigahertz region, which is proposed to have been produced by the Big Bang or by the collision of massive astronomical objects or artificially in the laboratory. Gravitational waves having frequencies higher than 100 kHz.
high-frequency gravitational wave