Found 2 items, similar to ir.
English → English (WordNet)
Definition: Ir
Ir
n 1: a heavy brittle metallic element of the platinum group; used
in alloys; occurs in natural alloys with platinum or
osmium [syn:
iridium,
atomic number 77]
2: a board of the British government that administers and
collects major direct taxes [syn:
Inland Revenue]
English → English (gcide)
Definition: Ir
Ir
\Ir\ n. (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.
Syn: iridium.
[WordNet 1.5]