/tawr"beuhr nuyt'/ , n.
a mineral, hydrated copper uranium phosphate, CuU 2 P 2 O 12 ·12H 2 O, occurring in square tabular crystals of a bright-green color: a minor ore of uranium; copper uranite. Also called chalcolite .
[ 1850-55; named after Torbern Bergman (1735-84), Swedish chemist; see -ITE 1 ]