Dictionary
au•tun•ite
Pronunciation: (ôt'n-īt", ō-tun'īt), [key]—
n.
a yellow mineral, a hydrous calcium uranium phosphate, CaU
2P
2O
12·8H
2O, occurring in crystals as nearly square tablets: a minor ore of uranium.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.