polonium

[ puh-loh-nee-uhm ]

/ pəˈloʊ ni əm /

noun Chemistry.

a radioactive element discovered by Pierre and Marie Curie in 1898; Symbol: Po; atomic number: 84; atomic weight: about 210.

Origin of polonium

1895–1900; <New Latin, equivalent to polon- (<Medieval Latin Polonia Poland) + -ium-ium

Words nearby polonium

polo, polo coat, Polokwane, Polo, Marco, polonaise, polonium, Polonius, Polonize, Polonnaruwa, polony, polo pony

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for polonium

Once the polonium had been recognized, police were able to trace the source of the poison to the Millennium hotel in Mayfair.
Brits Investigate Assassination of the Spy Who Warned Us About Putin|Nico Hines|July 22, 2014|DAILY BEAST
Did he understand that he would now have to live with a sword—not of Damocles but of polonium—hanging over his head?
The Mystery of Mikhail Khodorkovsky|Bernard-Henri Lévy|January 2, 2014|DAILY BEAST
Polonium is also at the center of a major plot line currently playing out on the daytime soap opera General Hospital.
Radioactive Revelations Raise the Question: Who Killed Arafat?|Maysoon Zayid|November 8, 2013|DAILY BEAST
But their tests were for gamma, not alpha, radiation, so they naturally would have missed any polonium diagnosis.
Bringing Up Yasir Arafat’s Body|Tracy McNicoll|November 24, 2012|DAILY BEAST

The accuser also mentioned that Arafat had been poisoned with polonium.
Israel Didn't Kill Arafat|Yossi Melman|July 10, 2012|DAILY BEAST
Polonium, named by Mme. Curie in honor of her native country, was the third radioactive element to be discovered.
An Introduction to the History of Science|Walter Libby

British Dictionary definitions for polonium

polonium

/ (pəˈləʊnɪəm) /

noun

a very rare radioactive element that occurs in trace amounts in uranium ores. The isotope polonium-210 is produced artificially and is used as a lightweight power source in satellites and to eliminate static electricity in certain industries. Symbol: Po; atomic no: 84; half-life of most stable isotope, 209 Po: 103 years; valency: –2, 0, 2, 4, or 6; relative density (alpha modification): 9.32; melting pt: 254°C; boiling pt: 962°C

Word Origin for polonium

C19: New Latin, from Medieval Latin Polōnia Poland; named in honour of the Polish nationality of its discoverer, Marie Curie

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for polonium

polonium

[ pə-lō′nē-əm ]

n. Symbol Po

A naturally radioactive metallic element, occurring in minute quantities in uranium ores; its most readily available isotope is Po 210, with a half-life of 138.39 days. Atomic number 84.

Scientific definitions for polonium

polonium

[ pə-lō′nē-əm ]

Po

A very rare, naturally radioactive, silvery-gray or black metalloid element. It is produced in extremely small amounts by the radioactive decay of radium or the bombardment of bismuth or lead with neutrons. Atomic number 84; melting point 254°C; boiling point 962°C; specific gravity 9.20; valence 2, 4. See Periodic Table.

单词	polonium
释义	polonium [ puh-loh-nee-uhm ] / pəˈloʊ ni əm / noun Chemistry. a radioactive element discovered by Pierre and Marie Curie in 1898; Symbol: Po; atomic number: 84; atomic weight: about 210. Origin of polonium 1895–1900; <New Latin, equivalent to polon- (<Medieval Latin Polonia Poland) + -ium-ium Words nearby polonium polo, polo coat, Polokwane, Polo, Marco, polonaise, polonium, Polonius, Polonize, Polonnaruwa, polony, polo pony Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for polonium Once the polonium had been recognized, police were able to trace the source of the poison to the Millennium hotel in Mayfair. Brits Investigate Assassination of the Spy Who Warned Us About Putin\|Nico Hines\|July 22, 2014\|DAILY BEAST Did he understand that he would now have to live with a sword—not of Damocles but of polonium—hanging over his head? The Mystery of Mikhail Khodorkovsky\|Bernard-Henri Lévy\|January 2, 2014\|DAILY BEAST Polonium is also at the center of a major plot line currently playing out on the daytime soap opera General Hospital. Radioactive Revelations Raise the Question: Who Killed Arafat?\|Maysoon Zayid\|November 8, 2013\|DAILY BEAST But their tests were for gamma, not alpha, radiation, so they naturally would have missed any polonium diagnosis. Bringing Up Yasir Arafat’s Body\|Tracy McNicoll\|November 24, 2012\|DAILY BEAST The accuser also mentioned that Arafat had been poisoned with polonium. Israel Didn't Kill Arafat\|Yossi Melman\|July 10, 2012\|DAILY BEAST Polonium, named by Mme. Curie in honor of her native country, was the third radioactive element to be discovered. An Introduction to the History of Science\|Walter Libby British Dictionary definitions for polonium polonium / (pəˈləʊnɪəm) / noun a very rare radioactive element that occurs in trace amounts in uranium ores. The isotope polonium-210 is produced artificially and is used as a lightweight power source in satellites and to eliminate static electricity in certain industries. Symbol: Po; atomic no: 84; half-life of most stable isotope, 209 Po: 103 years; valency: –2, 0, 2, 4, or 6; relative density (alpha modification): 9.32; melting pt: 254°C; boiling pt: 962°C Word Origin for polonium C19: New Latin, from Medieval Latin Polōnia Poland; named in honour of the Polish nationality of its discoverer, Marie Curie Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for polonium polonium [ pə-lō′nē-əm ] n. Symbol Po A naturally radioactive metallic element, occurring in minute quantities in uranium ores; its most readily available isotope is Po 210, with a half-life of 138.39 days. Atomic number 84. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for polonium polonium [ pə-lō′nē-əm ] Po A very rare, naturally radioactive, silvery-gray or black metalloid element. It is produced in extremely small amounts by the radioactive decay of radium or the bombardment of bismuth or lead with neutrons. Atomic number 84; melting point 254°C; boiling point 962°C; specific gravity 9.20; valence 2, 4. See Periodic Table. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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