| IR | metal shackles |
|---|---|
| IR | a heavy ductile magnetic metallic element |
| IR | press and smooth with a heated iron |
| IR | extremely robust |
| IR | (classical mythology) the last and worst age of the world |
| IR | (archeology) the period following the Bronze Age |
| IR | any of various blue pigments |
| IR | slightly purplish or bluish dark gray |
| IR | an instrument of torture that is used to crush the foot and leg |
| IR | a cage from which there is no escape |
| IR | the iron carbide constituent of steel and cast iron |
| IR | German statesman under whose leadership Germany was united (1815-1898) |