achondrite
noun
achon·drite (ˌ)ā-ˈkän-ˌdrīt 
: a stony meteorite without rounded grains
achondritic
ˌā-ˌkän-ˈdri-tik
adjective 
Example Sentences
Recent Examples on the Web On the other hand, achondrites were produced by melting of their parent bodies. 
Perry A. Farrell, Detroit Free Press, 17 Jan. 2018 Although most achondrites are fragments of asteroids, a few come from the moon or Mars. Perry A. Farrell, Detroit Free Press, 17 Jan. 2018
Perry A. Farrell, Detroit Free Press, 17 Jan. 2018 Although most achondrites are fragments of asteroids, a few come from the moon or Mars. Perry A. Farrell, Detroit Free Press, 17 Jan. 2018 Word History
Etymology
probably borrowed from German Achondrite, from a- a- entry 2 + Chondrite chondrite
First Known Use
circa 1904, in the meaning defined above