An Etymological Dictionary of Astronomy and Astrophysics

The breaking up of a body into fragments. For example, that of an
unstable nuclei either spontaneously or as a result of bombardment by fast-moving particles, or the breaking up of a comet.

Etymology (EN): Disintegration, verbal noun of disintegrate, from → dis- + → integration.

Etymology (PE): Vâpâši, forupâši, from vâ-, frou-→ de-

• pâši, noun of pâšidan→ disperse.