antigravities
/ˌæntiˈɡrævɪtiz/
noun
- Plural of antigravity; hypothetical forces or technologies that counteract gravity.
- Science fiction stories often imagine spaceships powered by antigravities.
- Researchers have proposed various antigravities in theoretical physics, but none have been proven.
- The novel described a future where antigravities allowed buildings to float in the air.
Antonyms