；单位（元），幺元；恒等 ，恒同；同一性- slowly increasing function
- slowly increasing sequence
- slowly oscillating sequence
- slowly varying
- slowly varying coefficient
- slowly varying function
- slowly varying variable
- slow motion
- slow solution
- slow state
- slow subsystem
- slow variation
- Sluse conchoid
- Sluse pearl
- Sluse, R.F.de
- Slutskiǐ, E.E.(Слуцкий, Е.Е.)
- Slutskiǐ theorem
- Smale conjecture
- Smale-Hirsch theorem
- Smale horseshoe map
- Smale problem
- Smale, S.
- Smale theorem
- small cancellation group
- small canonical ensemble