- mirror equal spherical figures
- mirror equal spherical triangles
- mirror image line
- mirror image similar
- mirror reflection
- mirror reflection
- mirror reflection transformation
- mirror symmetrical spherical polygon
- mirror transformation
- missing mass
- mitotic set
- Mittag-Leffler theorem
- mixed Abelian group
- mixed balance situation
- mixed boundary value problem
- mixed congruential method for generating pseudo-random numbers
- mixed decimal
- mixed decimal
- mixed expansion
- mixed exterior algebra
- mixed finite element method
- mixed fraction
- mixed group
- mixed information
- mixed integer programming