Ir

Definition of Ir

n.1.(Chem.) The chemical symbol for iridium, a metallic element of the platinum group. It has atomic number 77 and an atomic weight of 192.22.

Related Words

atomic number 77, iridium, metal, metallic element
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Ionic type
Ionidium
Ionization
ionize
ionized
ionizing radiation
ionophore
ionosphere
Ioqua shell
Iota
Iota subscript
Iotacism
Iowas
Ipecac
Ipecacuanha
Ipocras
Ipomoea
Ipomoeic
Ipsus
IQ
-Ir-
Ir-
IRA
Iracund
Irade
Iraki
Iran
Irani
Iranian
Iranic
Iraqi
Irascibility
Irascible
Irate
Ire
Ireful
Irefulness
Irenarch
Irenic
Irenicon
Irenics
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