PIR
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| PIR | Protein Identification Resource | - | Computer Acronyms(common) |
| PIR | Protein Info. Resource | - | Medical |
| PIR | Parents In Room | - | Sms Text Smileys and Emoticons |
| PIR | Parent In Room | - | ISO Country Codes |
| PIR | Priority Intelligence Requirement | - | Astronomy |
| PIR | peak information rate | - | Human Genome |