- migrating thrombophlebitis
- moving screen
- moving the trump card
- madelungs deformity
- mashed potato
- murphy bed
- microbial
- microfloppy
- microflowchart
- microanalyst
- microaerophilic organism
- monomer
- michel de notredame
- macrodeclaration
- macrodactyly
- methemoglobinaemic cyanosis
- mandela
- mandelbrot
- microbiological test
- molecular architecture
- mycologist
- malicious glance
- malicious disposition
- mishear
- misoneism
- misopedia
- misology
- mikhail baryshnikov
- minkowski
- malunion
- maladjustment
- morbid mentality
- mud brick
- miff
- maltol
- mildness
- manned
- Marylander
- megaseme
- most welcome
- most dear
- most often
- most likely
- most like
- mouthpiece
- margaret higgins sanger
- motor memory
- maxinum likelihood
- maxmillien marie isidore de robespierre
- miscible