| IRR | expose to radiation |
|---|---|
| IRR | cast rays of light upon |
| IRR | give spiritual insight to |
| IRR | (medicine) the treatment of disease (especially cancer) by exposure to radiation from a radioactive substance |
| IRR | (Pavolvian conditioning) the elicitation of a conditioned response by stimulation similar but not identical to the original stimulus |
| IRR | the apparent enlargement of a bright object when viewed against a dark background |
| IRR | (physiology) the spread of sensory neural impulses in the cortex |
| IRR | a column of light (as from a beacon) |
| IRR | the condition of being exposed to radiation |
| IRR | not consistent with or using reason |
| IRR | (math) real but not expressible as the quotient of two integers |
| IRR | extreme prejudice |