English dictionary



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English noun: Ir

1. Ir (substance) a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium


Synonymsatomic number 77, iridium


Broader (hypernym)metal, metallic element

2. IR (group) a board of the British government that administers and collects major direct taxes


SynonymsInland Revenue


Broader (hypernym)administrative body, administrative unit


Domain regionBritain, Great Britain, U.K., UK, United Kingdom, United Kingdom of Great Britain and Northern Ireland









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