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Word Study

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: I I- I. Ia Ib Ic Id Ie If Ig Ih Ii Ij Ik Il Im In Io Ip Iq Ir Is It Iu Iv Iw Ix Iy Iz

ipso facto | ipsus | ipv | iq | iq test | Ir | ir- | ira | ira gershwin | iracund | irade

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WORDNET DICTIONARY
CIDE DICTIONARY
OXFORD DICTIONARY

Ir

Noun

WORDNET DICTIONARY

ir(n = noun.substance) atomic number 77, iridium - a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium; Array

is a kind of metal, metallic element

ir(n = noun.group) inland revenue - a board of the British government that administers and collects major direct taxes; Array

is a kind of administrative body, administrative unit

Ir, n.

The chemical symbol for iridium, a metallic element of the platinum group. It has atomic number 77 and an atomic weight of 192.22. [WordNet 1.5]

Ir, abbr. infrared.

Ir, symb. Chem. the element iridium.

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