Definition of Ir

1. Noun. A heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium.

Exact synonyms: Atomic Number 77, Iridium
Generic synonyms: Metal, Metallic Element

2. Noun. A board of the British government that administers and collects major direct taxes.

Definition of Ir

1. Initialism. infrared ¹

2. Initialism. Infrared Radiation ¹

3. Initialism. Industrial Relations ¹

4. Initialism. Investors Relations ¹

5. Initialism. Information Retrieval ¹

¹ Source: wiktionary.com

Medical Definition of Ir

1. Infrared. Symbol for iridium. (05 Mar 2000)

Lexicographical Neighbors of Ir

Ipomoea panurata
Ipomoea pes-caprae
Ipomoea purpurea
Ipomoea quamoclit
Ipomoea rubrocoerulea
Ipomoea tricolor
Ipomoea versicolor
Ips
Ipsus
Ipswich
Iqaluit
Iqalummiuq
Iqalummiut
Iqalungmiut
Iquito
Ir (current term)
IrG
IrGs
Ir gene
Ira Gershwin
Irak
Iraki
Iraklion
Iran
Iran-Iraq War
Irani
Iranian
Iranian Azerbaijan
Iranian capital

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