Try Our Apps


Supposedly vs. Supposably


Symbol, Chemistry
1. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the Web for Zr
Contemporary Examples
British Dictionary definitions for Zr


Chemical symbol
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
Zr in Medicine

The symbol for the element zirconium.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Zr in Science
The symbol for zirconium.
Symbol Zr
A shiny, grayish-white metallic element that occurs primarily in zircon. It is used to build nuclear reactors because of its ability to withstand bombardment by neutrons even at high temperatures. Zirconium is also highly resistant to corrosion, making it a useful component of pumps, valves, and alloys. Atomic number 40; atomic weight 91.22; melting point 1,852°C; boiling point 4,377°C; specific gravity 6.56 (20°C); valence 2, 3, 4. See Periodic Table.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Zr in Technology

The old country code for Zaire.
"cd" is now used instead, since Zaire changed its name to the Democratic Republic of the Congo.

The Free On-line Dictionary of Computing, © Denis Howe 2010
Cite This Source
Related Abbreviations for Zr


The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for Zr

Some English speakers likely know this word

Word Value for Zr

Scrabble Words With Friends

Nearby words for zr