What is the definition of Ir? | Dictionary.net

IR

\ˈɜː], \ˈɜː], \ˈɜː]\

Definitions of IR

2006 - WordNet 3.0
2011 - English Dictionary Database
1920 - A practical medical dictionary.
1919 - The Concise Standard Dictionary of the English Language
1874 - Etymological and pronouncing dictionary of the English language
1916 - Appleton's medical dictionary

Sort: Oldest first

a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium

2006 - WordNet 3.0
By Princeton University

a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium

2011 - English Dictionary Database
By DataStellar Co., Ltd

Chemical symbol of iridium.

1920 - A practical medical dictionary.
By Stedman, Thomas Lathrop

Form of IN or IN before r. .

1919 - The Concise Standard Dictionary of the English Language
By James Champlin Fernald

Another form of the prefix in, signifying "not," &c-see in.

1874 - Etymological and pronouncing dictionary of the English language
By Stormonth, James, Phelp, P. H.

Chemical symbol for iridium.

1916 - Appleton's medical dictionary
By Smith Ely Jelliffe

Word of the day

Prinzmetal Angina

A clinical syndrome characterized by development of CHEST PAIN at rest concomitant transient ST segment elevation in the electrocardiogram, but with preserved exercise capacity.

View More

Nearby Words