Uranium
[jʊ'reɪnɪəm] or [jʊ'renɪəm]
Definition
(noun.) a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons.
Typist: Robbie--From WordNet
Definition
(n.) 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.
Checked by Juliana
Definition
n. a very hard but moderately malleable metal resembling nickel or iron in its lustre and colour but in a finely comminuted state occurring as a black powder.—adj. Urā′nic.
Typist: Remington
Examples
- In the mean time the French scientist obtained radiations from metallic uranium and from uranous salts. Walter Libby. An Introduction to the History of Science.
- There is (according to Soddy) about on e part of radium in five million parts of the best pitchblende, but the new element is about one million times more radio active than uranium. Walter Libby. An Introduction to the History of Science.
- Cur ie examined at the same time the salts of uranium and a number of uranium ores. Walter Libby. An Introduction to the History of Science.
- There is some ground for thinking that lead is the end product of the Uranium series. Walter Libby. An Introduction to the History of Science.
Typed by Konrad