autunite
[ awt-n-ahyt, oh-tuhn-ahyt ]
/ ˈɔt nˌaɪt, oʊˈtʌn aɪt /
noun
a yellow mineral, a hydrous calcium uranium phosphate, CaU2P2O12⋅8H2O, occurring in crystals as nearly square tablets: a minor ore of uranium.
Origin of autunite
1850–55; named after
Autun, city in E France near source of supply; see
-ite1
Words nearby autunite
autry,
autumn,
autumn crocus,
autumnal,
autumnal equinox,
autunite,
auvergne,
aux,
aux cayes,
aux-,
aux.
Example sentences from the Web for autunite
Autunite, a hydrous phosphate of uranium and calcium, crystallizing in the rhombic system in yellow plates.
British Dictionary definitions for autunite
autunite
/ (ˈɔːtəˌnaɪt) /
noun
a yellowish fluorescent radioactive mineral consisting of a hydrated calcium uranium phosphate in tetragonal crystalline form. It is found in uranium ores. Formula: Ca(UO 2) 2 (PO 4) 2 .10–12H 2 O
Word Origin for autunite
C19: named after
Autun in France, one of the places where it was found, +
-ite
1