Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A soft, silvery-white ductile, metallic element that is the most electropositive and alkaline of the elements and is used in atomic clocks and photoelectric cells and to catalyze hydrogenation of some organic compounds. The fundamental unit of time in the International System, the second, is based on the frequency of radiation between two energy states in an atom of the Cs-133 isotope. Atomic number 55; atomic weight 132.905; melting point 28.44°C; boiling point 671°C; specific gravity 1.873; valence 1. cross-reference: Periodic Table.
from the GNU version of the Collaborative International Dictionary of English.
- noun the chemical element of atomic number 55. It is a univalent element, the most electropositive metal. Symbol Cs; atomic weight 132.905. IT has a melting point of 28.4° C.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun US Alternative spelling of
caesium .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
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Examples
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"It stands to reason that at some point the Ukrainian government would like to be able to use that land again, but the scientists have calculated that what they call cesium's" ecological half-life "- the time for half the cesium to disappear from the local environment - is between
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Corporation and then NSF and used it to thoroughly develop a novel experimental approach for measuring atomic PV in cesium.
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In the second phase, a drug called cesium fluoride, known to stimulate the enzyme adenylate cyclase, was added to the blood samples, and the activity of the enzyme was measured.
Alcohol and The Addictive Brain Kenneth Blum 1991
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In the second phase, a drug called cesium fluoride, known to stimulate the enzyme adenylate cyclase, was added to the blood samples, and the activity of the enzyme was measured.
Alcohol and The Addictive Brain Kenneth Blum 1991
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Even before the explosion on Saturday, officials said they had detected radioactive cesium, which is created when uranium fuel is split, an indication that some of the nuclear fuel in the reactor was already damaged.
NYT > Global Home By HIROKO TABUCHI 2011
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Since 1967, the official definition of a second is 9,192,631,770 cycles of the radiation that gets an atom of the element called cesium to vibrate between two energy states.
Latest Articles Life's Little Mysteries 2010
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And when the nuclear fission byproduct known as cesium 137 traveled faster underground than anticipated at another location, Zachara found that residual heat and high salt concentrations from the wastes unexpectedly affected how water and minerals reacted with the cesium.
R&D Mag - News 2010
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Abandoned medical scanners, food processing devices and mining equipment containing radioactive metals such as cesium-137 and cobalt-60 are often picked up by scrap collectors and sold to recyclers, according to the International Atomic Energy Agency, the UN's nuclear arm.
Glowing Budweiser Dave Hurteau 2008
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The thyroid can be affected by ionizing radiation through the skin by gamma radiation, including X rays; by fission products, such as cesium; or by ingestion or inhalation of iodine-131 (131I), an isotope present in nuclear fission products.
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Reactive gas-filled vapour cells can be used in frequency standard devices, especially as a cavity in atomic clocks, where the time is delivered during the hyperstructure transition from the metal alkali atoms such as cesium or rubidium.
innovations-report 2010
oroboros commented on the word cesium
Cs.
December 16, 2007
oroboros commented on the word cesium
Sounds like C Z M
May 17, 2008