— augitic /aw jit"ik/ , adj.
/aw"juyt/ , n.
a silicate mineral, chiefly of calcium, magnesium, iron, and aluminum: a dark-green to black variety of monoclinic pyroxene, characteristic of basic rocks.
[ 1780-90; augitis a kind of precious stone aug ( é ) sunlight + -itis, fem. of -ites -ITE 1 ]