An Etymological Dictionary of Astronomy and Astrophysics

A zone inside a star in which → convection takes place; the central → core in → massive stars and the zone underneath → photosphere in low mass stars like the Sun. Recent works predict the presence of a thin convection zone in sufficiently massive main sequence stars which originates from the iron opacity
and partial helium ionization. See also → iron convection zone.

See also: → convective; → zone.