| SLI | (music) rapid sliding up or down the musical scale |
|---|---|
| SLI | (geology) the descent of a large mass of earth or rocks or snow etc. |
| SLI | move obliquely or sideways, usually in an uncontrolled manner |
| SLI | to pass or move unobtrusively or smoothly |
| SLI | move smoothly along a surface |
| SLI | action mechanism in a modern rifle or shotgun |
| SLI | pass by, as of time |
| SLI | fall or sink heavily |
| SLI | a fastener for locking together two toothed edges by means of a sliding tab |
| SLI | projector that projects an enlarged image of a slide onto a screen |
| SLI | analog computer consisting of a handheld instrument used for rapid calculations |
| SLI | valve that opens and closes a passageway by sliding over a port |