Ir — synonyms, definition

1. ir (Noun) UK

3 synonyms
Inland Revenue atomic number 77 iridium
2 definitions

ir (Noun) — A board of the British government that administers and collects major direct taxes.

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

4 types of
administrative body administrative unit metal metallic element

2. ir (Prefix) UK

2 definitions

ir (Prefix) — Not (il- is used before an l, im- before a b, m or p, ir- before an r).

ir (Prefix) — In, into, towards, within (il- is used before an l, im- before a b, m or p, ir- before an r).