Why was "tantrum" trending last week?


[noo-klahyd, nyoo-] /ˈnu klaɪd, ˈnyu-/
noun, Physics.
an atomic species in which the atoms all have the same atomic number and mass number.
an individual atom in such a species.
1945-50; nucl(eo)- + -ide < Greek eîdos shape Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for nuclide
  • nuclide: a general term applicable to all atomic forms of an element.
  • Each box represents a particular nuclide and is color-coded according to its predominant decay mode.
  • nuclide a general term applicable to all atomic forms of an element.
  • Iodine reacts easily with other chemicals, and isotopes of iodine are found as compounds rather than as a pure elemental nuclide.
British Dictionary definitions for nuclide


a species of atom characterized by its atomic number and its mass number See also isotope
Word Origin
C20: from nucleo- + -ide, from Greek eidos shape
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
Cite This Source
Word Origin and History for nuclide

1947, from nucleus + -ide.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
nuclide in Medicine

nuclide nu·clide (nōō'klīd', nyōō'-)
A type of atom specified by its atomic number, atomic mass, and energy state, such as carbon 14.

nu·clid'ic (nōō-klĭd'ĭk, nyōō-) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
nuclide in Science
An atomic nucleus identified by its atomic element and its mass number. For example, a carbon-14 nuclide is the nucleus of a carbon atom, which has six protons, with mass number 14 (thus having eight neutrons). See also isotope.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for nuclide

Some English speakers likely know this word

Word Value for nuclide

Scrabble Words With Friends

Nearby words for nuclide