semi - Shep
- semi-interquartile range
- semi-invariant
- semi-invariant spectral density
- semi-Markov process
- semicircular law
- semicycle
- semideterministic channel
- semidirect product
- semiflow
- semigroup
- semimartingale
- semiparametric model
- semiperfect elimination
- semistable distribution
- sensitivity
