[an.ti.grav.i.ty] adj (1944): reducing, canceling, or protecting against the effect of gravity
[2]antigravity n (1949): a hypothetical effect resulting from cancellation or reduction of a gravitational field
[an.ti.grav.i.ty] adj (1944): reducing, canceling, or protecting against the effect of gravity
[2]antigravity n (1949): a hypothetical effect resulting from cancellation or reduction of a gravitational field
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012