IR: Meaning and Definition of

IR

1. infrared.
2. intelligence ratio.
3. information retrieval.

Ir

1. Irish (def. 4).

Ir

1. iridium.

ir-

1. var. of (by assimilation) before r: irradiate.

ir-

1. var. of (by assimilation) before r: irreducible.

Ir.

1. Ireland.
2. Irish.

I.R.

1. immediate reserve.
2. infantry reserve.
3. intelligence ratio.
4. internal revenue.