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rutherfordium

[ ruhth-er-fawr-dee-uhm, -fohr-, ruhth- ]
/ 藢r蕦冒 蓹r藞f蓴r di 蓹m, -藞fo蕣r-, 藢r蕦胃- /
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noun Chemistry, Physics.
a superheavy, synthetic, radioactive element with a very short half-life. Symbol: Rf; atomic number: 104.
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Formerly un路nil路qua路di路um [uhn-uhn-kwah-dee-uhm], /藢蕦n 蓹n藞kw蓱 di 蓹m/, el路e路ment 104 .

Origin of rutherfordium

First recorded in 1965鈥70; named after English physicist Ernest Rutherford.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, 漏 Random House, Inc. 2022

British Dictionary definitions for rutherfordium

rutherfordium
/ (藢r蕦冒蓹藞f蓴藧d瑟蓹m) /

noun
a transactinide element produced by bombarding californium-249 nuclei with carbon-12 nuclei. Symbol: Rf; atomic number.: 104; atomic wt: 261Name in the former Soviet Union: kurchatovium

Word Origin for rutherfordium

C20: named after Ernest Rutherford
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition 漏 William Collins Sons & Co. Ltd. 1979, 1986 漏 HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for rutherfordium

rutherfordium
[ r怒冒鈥采檙-f么rd膿-蓹m ]

Rf
A synthetic, radioactive element that is produced by bombarding plutonium with carbon or neon ions. Its most stable isotope is Rf 261 with a half-life of 62 seconds. Atomic number 104. See Periodic Table.
The American Heritage庐 Science Dictionary Copyright 漏 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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