uranium

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uranium

 [u-ra´ne-um]
a chemical element, atomic number 92, atomic weight 238.03, symbol U. (See Appendix 6.)
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

u·ra·ni·um (U),

(yū-rā'nē-ŭm),
A radioactive metallic element, atomic no. 92, atomic wt. 238.0289, occurring mainly in pitchblende and notable for its two isotopes: 238U and 235U (99.2745% and 0.720%, respectively, the rest being made up by 234U), 235U being the first substance ever shown capable of supporting a self-sustaining chain reaction.
[G. myth. character, Uranus]
Farlex Partner Medical Dictionary © Farlex 2012

u·ra·ni·um

(U) (yŭr-ā'nē-ŭm)
A radioactive metallic element, atomic no. 92, atomic wt. 238.0289, occurring mainly in pitchblende and notable for its two isotopes: 238U and 235U (99.2745% and 0.720%, respectively, the rest being made up by 234U), 235U being the first substance ever shown capable of supporting a self-sustaining chain reaction.
[G. myth. character, Uranus]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
IBA-1 model has been used in calculating the energy of the positive and negative parity low -lying levels of uranium series of isotopes.
Since most of the thorium was dumped more than 20 years ago, long term effects can be precisely studied and the behaviors of the thorium and uranium series nuclei compared under the same experimental conditions.
Elevated levels of uranium series radionuclides in private water supplies in Finland.