Chemistry
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| B4 | Before | - | Chemistry |
| BAK | Back At Keyboard | - | Chemistry |
| BBL | Be Back Later | - | Chemistry |
| BBS | Be Back Soon | - | Chemistry |
| BCNU | Be Seeing You | - | Chemistry |
| BFN | Bye For Now | - | Chemistry |
| BRB | Be Right Back | - | Chemistry |
| BTDT | Been There Done That | - | Chemistry |
| BTW | By The Way | - | Chemistry |
| BYOH | Bat You Onna Head | - | Chemistry |