Definitions for "Chondrule"
A peculiar rounded granule of some mineral, usually enstatite or chrysolite, found imbedded more or less abundantly in the mass of many meteoric stones, which are hence called chondrites.
small (1-10 mm) sphere of glassy silicate.
small, glasslike, round body found in stony meteorites. It is believed to have crystallized from molten droplets present during the initial stages of condensation of the solar nebula.
Keywords:  planetesimal