Ordnance Survey Abbreviations and Acronyms

1. MNT
   Mountain
2. MNTN
   Mountain
3. MO
   Matter of Opinion
4. MON
   Monument
5. MONM
   Monmouthshire
6. MONT
   Montgomeryshire
7. MOO
   Matter of Opinion
8. MOT
   Ministry of Technology
9. MP
   Mooring Post
10. MP
    Mile Post
11. MPIIN
    Number
12. MPU
    Mail Pick-up
13. MR
    Manor
14. MRT
    March
15. MS
    Meteorological Station
16. MSD
    Master Survey Drawing
17. MSL
    Mean Sea Level
18. MSM
    March
19. MT
    Mount
20. MT
    Mountain

Last updated: May 23, 2020 — Total entries: 1,417