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URAN-GLIM'MER, n. An ore of uranium; uran-mica; chalcolite.
URAN-O'CHER, n. Pechblend, an ore of uranium, containing the metal in an oxydize...
U'RANITE, n. An ore or phosphate of uranium, called also uran-glimmer, and uran-...
URANIT'IC, a. Pertaining to uranite, or resembling it.
URA'NIUM, n. [Gr. heaven, or a planet so called.] A metal discovered in 1789 by ...
URANOL'OGY, n. [Gr. heaven and discourse.] A discourse or treatise on the heavens.
UR'BANE, a. [L. urbanus, from urbs, a city.] Civil; courteous in manners; polite.
URBAN'ITY, n. [L. urbanitas, from urbs, a city.] 1. That civility or courtesy of...
UR'BANIZE, v.t. To render civil and courteous; to polish.
UR'CEOLATE, a. [L. urceolus, urceus, a pitcher. In botany, shaped like a pitcher...
UR'CHIN, n. 1. A name given to the hedgehog. 2. A name of slight anger given to ...
URE, n. Use; practice. [Obsolete, but retained in inure.]
U'REA, n. A substance obtained from urine.
U'RETER, n. [Gr. See Urine .] A tube conveying the urine from the kidney to the ...
URE'THRA, n. [Gr. See Urine .] The canal by which the urine is conducted from th...
URGE, v.t [L. urgeo. This belongs probably to the family of Gr. and L. arceo.] 1...