(n) negative image (wasei: minus image)
(n) (comp) mounting rail
(n) macadam roller
(n) maximin rule
(n) (comp) macrothesaurus
(n) Massachusetts
(P)
(n) mother country
(int) mother fucker
(n) machine language
(n) magic number
(n) magic marker
(n) mass society
(n) Masters Golf Tournament
(P)
(n) (comp) original disk
(n) mustard sauce
(n) master file
(n) master monitor
(n) mass democracy
(n) mass movement
(n) postpartum blues
(n) massage chair
(n) massage therapist
(n) manipulator
(n) (comp) manager role
(n) money-flow analysis
(n) money position
(n) money market
(adj-no) multiwindow
(n) multiscreen (system)
(n) multichanneler