最新 人气 评论 赞 踩
Uralite
n.
18   0   0   0
Amphibole resulting from the alternation of pyroxene by paramorphism. It is not uncommon in massive eruptive rocks.
Uralitization
n.
18   0   0   0
The change of pyroxene to amphibole by paramorphism.
Uramil
n.
21   0   0   0
Murexan.
Uranate
n.
18   0   0   0
A salt of uranic acid.
Urania
n.
20   0   0   0
One of the nine Muses, daughter of Zeus by Mnemosyne, and patron of astronomy.
Urania
n.
17   0   0   0
A genus of large, brilliantly colored moths native of the West Indies and South America. Their bright colored and tailed hind wings and their diurnal flight cause them to closely resemble butterflies.
Uranian
a.
18   0   0   0
Of or pertaining to the planet Uranus; as, the Uranian year.
Uranic
a.
17   0   0   0
Of or pertaining to the heavens; celestial; astronomical.
Uranic
a.
18   0   0   0
Pertaining to, resembling, or containing uranium; specifically, designating those compounds in which uranium has a valence relatively higher than in uranous compounds.
Uranin
n.
16   0   0   0
An alkaline salt of fluorescein, obtained as a brownish red substance, which is used as a dye; -- so called from the peculiar yellowish green fluorescence (resembling that of uranium glass) of its solutions. See Fluorescein.
Uraninite
n.
17   0   0   0
A mineral consisting chiefly of uranium oxide with some lead, thorium, etc., occurring in black octahedrons, also in masses with a pitchlike luster; pitchblende.
Uraniscoplasty
n.
16   0   0   0
The process of forming an artificial palate.
Uraniscorrhaphy
n.
22   0   0   0
Suture of the palate. See Staphyloraphy.
Uranite
n.
21   0   0   0
A general term for the uranium phosphates, autunite, or lime uranite, and torbernite, or copper uranite.
Uranitic
a.
21   0   0   0
Of or pertaining to uranium; containing uranium.
Uranium
n.
21   0   0   0
An element of the chromium group, found in certain rare minerals, as pitchblende, uranite, etc., and reduced as a heavy, hard, nickel-white metal which is quite permanent. Its yellow oxide is used to impart to glass a delicate greenish-yellow tint which is accompanied by a strong fluorescence, and its black oxide is used as a pigment in porcelain painting. Symbol U. Atomic weight 239.
Uran-ocher
n.
20   0   0   0
Alt. of Uran-ochre
Uran-ochre
n.
19   0   0   0
A yellow, earthy incrustation, consisting essentially of the oxide of uranium, but more or less impure.
Uranographic
a.
22   0   0   0
Alt. of Uranographical
Uranographical
a.
20   0   0   0
Of or pertaining to uranography; as, an uranographic treatise.
Uranographist
n.
21   0   0   0
One practiced in uranography.
Uranolite
n.
21   0   0   0
A meteorite or aerolite.
Uranology
n.
19   0   0   0
A discourse or treatise on the heavens and the heavenly bodies; the study of the heavens; uranography.
Uranometria
n.
23   0   0   0
A uranometry.
Uranometry
n.
17   0   0   0
A chart or catalogue of fixed stars, especially of stars visible to the naked eye.
Uranoplasty
n.
20   0   0   0
The plastic operation for closing a fissure in the hard palate.
Uranoscopy
n.
19   0   0   0
Observation of the heavens or heavenly bodies.
Uranoso-
a.
18   0   0   0
A combining form (also used adjectively) from uranium; -- used in naming certain complex compounds; as in uranoso-uranic oxide, uranoso-uranic sulphate.
Uranous
a.
17   0   0   0
Pertaining to, or containing, uranium; designating those compounds in which uranium has a lower valence as contrasted with the uranic compounds.
Uranus
n.
18   0   0   0
The son or husband of Gaia (Earth), and father of Chronos (Time) and the Titans.