berkelium


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ber·ke·li·um

 (bər-kē′lē-əm, bûrk′lē-əm)
n. Symbol Bk
A synthetic transuranic radioactive element having isotopes with mass numbers from 235 to 254. Its longest-lived isotopes, Bk-247 and Bk-248, have half-lives of 1,380 years and more than 9 years, respectively; the isotope produced in greatest quantity, Bk-249, has a half-life of 330 days. Atomic number 97; melting point 996°C; specific gravity 14 (estimated); valence 3, 4. See Periodic Table.

[After BerkeleyCalifornia.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

berkelium

(bɜːˈkiːlɪəm; ˈbɜːklɪəm)
n
(Nuclear Physics) a metallic transuranic element produced by bombardment of americium. Symbol: Bk; atomic no: 97; half-life of most stable isotope, 247Bk: 1400 years; valency: 3 or 4; relative density: 14 (est)
[C20: named after Berkeley1, where it was discovered]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ber•ke•li•um

(bərˈki li əm)

n.
a transuranic element. Symbol: Bk; at. no.: 97.
[1945–50; after Berkeley, California]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

ber·ke·li·um

(bər-kē′lē-əm, bûrk′lē-əm)
Symbol Bk A synthetic, radioactive metallic element of the actinide series that is produced from americium, curium, or plutonium. Its most stable isotope has a half-life of about 1,400 years. Atomic number 97. See Periodic Table.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.berkelium - a radioactive transuranic elementberkelium - a radioactive transuranic element; discovered by bombarding americium with helium
metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
берклий
berkelium
berkelium
berkelio
berkeelium
berkelium
berkélium
berkelij
berkélium
berkelín
バークリウム
버클륨
berkelium
berklis
berkelium
berkel
berkeliu
berkelium
berkelium
berkelyum

berkelium

[bɜːˈkiːlɪəm] Nberkelio m
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
References in periodicals archive ?
Using the coating analysis software, the Orbis provides simultaneous multi-layer film thickness and composition analyses for metal, oxide, nitride and carbide coatings as well as coatings that contain elements within the observable range of the Orbis system from Sodium to Berkelium. Typical applications include analysis of electrical contact coatings for electronics, magnetic media and semiconductors; anti-corrosion and wear coatings for fasteners, aerospace and automotive components; and RoHS analysis of solder coatings.
In this case, the scientists used a cyclotron to bombard atoms of berkelium with atoms of calcium.
A few examples of specific topics include solubility studies of uranium(IV) by laser- induced breakdown detection, structure and stability of peroxo complexes of uranium and plutonium in carbonate solution, thermochromatographic adsorption studies of curium and berkelium, properties of minor actinide compounds relevant to nuclear fuel technology, separation of uranium and plutonium by the method of countercurrent chromatography, and tuning the superconducting behavior of the PuTGa5 compounds.

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