- strongly diagonally dominant matrix
- strongly distance-regular graph
- strongly effectively immune set
- strongly graded module
- strongly graded ring
- strongly hyperbolic operator
- strongly inaccessible cardinal number
- strongly measurable vector valued function
- strongly minimal cover
- strongly monogenic N-group
- strongly monotone mapping
- strongly nilpotent element
- strongly noncapable degree
- strongly n-th power closed group
- strongly paracompact space
- strongly projectable lattice-ordered group
- strongly quasi-convex function
- strongly regular graph
- strongly regular ring
- strongly stable matrix
- strongly stationary process
- strong Markov process
- strong Markov property
- strong maximum principle
- strong mixing