1) bâlâ-kard; 2) bâlâ-šod
1) The action of rising or causing something to rise and float in the air,
typically by means of supposed magical powers.
Fr.: lévitation radiative
A physical process occurring in → stellar atmospheres whereby → radiation pressure selectively pushes certain → chemical elements outward, leading to an atmospheric overabundance of such elements. See also → gravitational settling.