achondrite

noun

1. Any stony meteorite that contains no chondrules.

   “The study confirms a 20-year-old theory that balsaltic^([sic]) achondrite meteorites are projected off the surface of the asteroid 4 Vesta, the second largest asteroid in the solar system, which lies between Jupiter and Mars.”

   “The Vestan, Lunar, and Martian meteorites are achondrites.”