Ir
zelfstandig naamwoord
1 Ir
A heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium.
synoniemen: atomic number 77, iridium.
Nederlands: iridium
Pools: Ir, iryd
2 IR
A board of the British government that administers and collects major direct taxes.
synoniem: Inland Revenue.
Vind elders meer over ir: etymologie - rijmwoorden - Wikipedia.
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