 | Jacobi |
| | Jamming |
| | Jamming unit |
| | JAVA |
| | Jeans Criteria |
| | JEDEC standard |
| | Jet |
| | Jet engine |
| | Jet engines |
| | Jet formation |
| | Jet penetration |
| | Jets |
| | Jitter |
| | Job's method |
| | Jodhpur |
| | Johnson-Cook model |
| | Johnson & Cook strength model |
| | joint munitions effectiveness manuals |
| | Joint Pictures Experts Group-Lossless |
| | Joint probability distribution |
| | Joule-Thomson Coefficients |
| | JPEG-LS |