| Acronym | Meaning |
 | NO | Nitric Oxide -Normally Open -Norway (ISO 3166 And FIPS 10-4 Country Code Digram) |
| VLIW | Very Long Instruction Word |
| ISM | Industrial |
| MTR | Main And Tail Rotor (helicopter Type) - Military-Technological Revolution |
| TPO | Thrombopoietin |
| GEL | Georgian Lari (ISO 4217 Currency Code) - Gilbert And Ellice Islands (ISO 3166 Trigram; Obsolete 1977) |
| PIM | Parameterized Ionospheric Model - Path Of Intended Motion - Pediatric Index Of Mortality - Personal Information Manager/Management - Presence And Interworking Mobility - Processor-In-Memory - Program Integration Manager - Protocol Independent Multicast |
| TIMS | Tactical Internet Management System - The Institute Of Management Sciences - The International Molinological Society - Thermal Infrared Multispectral Scanner - Thermal Ionization Mass Spectrometry - Travel Information Management Services - Tuberculosis In |
| GUY | Guyana (ISO 3166 Trigram) |
| FAB | Feline Advisory Bureau (UK Feline Charity) |
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