[ ruhth-er-fawr-dee-uhm, -fohr-, ruhth- ]
/ ˌrʌð ərˈfɔr di əm, -ˈfoʊr-, ˌrʌθ- /
noun Chemistry, Physics.
a superheavy, synthetic, radioactive element with a very short half-life.Symbol: Rf; atomic number: 104.
LEARN THE SPANISH WORDS FOR THESE COMMON ANIMALS!
Are you learning Spanish? Or do you just have an interest in foreign languages? Either way, this quiz on Spanish words for animals is for you.
Question 1 of 13
How do you say “cat” 🐈 in Spanish?
Formerly un·nil·qua·di·um [uhn-uhn-kwah-dee-uhm], /ˌʌn ənˈkwɑ di əm/, el·e·ment 104 .
Origin of rutherfordium
First recorded in 1965–70; named after English physicist Ernest Rutherford.
Words nearby rutherfordium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for rutherfordium
/ (ˌrʌðəˈfɔːdɪəm) /
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 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for rutherfordium
[ rŭð′ər-fər′dē-əm ]
n. Symbol Rf
A radioactive synthetic element whose longest-lived isotopes haved mass numbers of 253, 255, 257, and 259 with half-lives of 1.8, 1.6, 4.7, and 3.4 seconds. Atomic number 104.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for rutherfordium
[ rŭð′ər-fôr′dē-əm ]
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® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.