| microscopía | microscopy |
| microscópico | microscopic |
| MicroSD | MicroSD |
| Microseguro | Microinsurance |
| Microseris lanceolata | Dandelion |
| Microsiervos | Microserfs |
| Microsoft | Microsoft |
| Microsoft Access | Microsoft Access |
| Microsoft Anti-Virus | Microsoft Anti-Virus |
| Microsoft Certified Professional | Microsoft Certified Professional |
| Microsoft Compiled HTML Help | Microsoft Compiled HTML Help |
| Microsoft Data Access Components | Microsoft Data Access Components |
| Microsoft Dynamics NAV | Microsoft Dynamics NAV |
| Microsoft Excel | Microsoft Excel |
| Microsoft Exchange Server | Microsoft Exchange Server |
| Microsoft Flight Simulator | Microsoft Flight Simulator |
| Microsoft FrontPage | Microsoft FrontPage |
| Microsoft InfoPath | Microsoft InfoPath |
| Microsoft Internet Security and Acceleration Server | Microsoft Internet Security and Acceleration Server |
| Microsoft Media Services | Microsoft Media Services |
| Microsoft Most Valuable Professional | Microsoft Most Valuable Professional |
| Microsoft NetMeeting | Microsoft NetMeeting |
| Microsoft Office | Microsoft Office |
| Microsoft Office Open XML | Office Open XML |
| Microsoft Office SharePoint Portal Server | Microsoft Office SharePoint Portal Server |
| Microsoft OneNote | Microsoft OneNote |
| Microsoft Outlook | Microsoft Outlook |
| Microsoft PowerPoint | Microsoft PowerPoint |
| Microsoft Sam | Speech Application Programming Interface |
| Microsoft Silverlight | Microsoft Silverlight |
| Microsoft Student Partner | Microsoft Student Partners |
| Microsoft Visual SourceSafe | Microsoft Visual SourceSafe |
| Microsoft Visual Studio | Microsoft Visual Studio |
| Microsoft Windows | Microsoft Windows |
| Microsoft Word | Microsoft Word |
| Microsoft Works | Microsoft Works |
| Microsoft XENIX | Xenix |
| Microsporidia | Microsporidia |
| microteléfono | handset |
| Microtonalismo | Microtonal music |
| Microtono | Microtonal music |
| Microtuner | Microtuner |
| Microturbulencia | Microturbulence |
| Microtus | Microtus |
| micrófono | microphone |
| Micrófono de zona de presión | PZM |
| Micrófono electret | Electret microphone |
| micrómetro | micrometer |
| micrón | micron |
| Mictecacíhuatl | Mictecacihuatl |
| Mictlantecuhtli | Mictlantecuhtli |
| Mictlán | Mictlan |
| Mid-Atlantic | Mid-Atlantic States |
| Middelburg | Middelburg |
| Middlesbrough | Middlesbrough |
| Midgard | Midgard |
| MIDI | Musical Instrument Digital Interface |
| Midi Libre | Grand Prix du Midi Libre |
| Midias | Meidias Painter |
| Midiclorianos | Midi-chlorians |
| Midlands | Midlands |
| Midlands del Oeste | Midlands |
| Midlands Oriental | Midlands |
| Midlet | MIDlet |
| Midori no hi | Greenery Day |
| Midori no Hibi | Midori Days |
| MIDP | Mobile Information Device Profile |
| Midrash | Midrash |
| Midtjylland | Region Midtjylland |
| Midway Games | Midway Games |
| Midwest rap | Midwest hip hop |
| miedo | fear |
| miedo al público | stage fright |
| miedo escénico | stage fright |
| miedoso | fear |
| miel | honey |
| mielga | spiny dogfish |
| Mieloma múltiple | Multiple myeloma |
| miembro | limb |
| miembro de la alta sociedad | socialite |
| Miembro de la aristocracia pr | Junker |
| Miembro de la aristocracia prusiana | Junker |
| miembro de la familia real | royalty |
| Miembro de la Royal Society | Fellow of the Royal Society |
| miembro de un panel | panelist |
| miembro de una tribu | tribesman |
| miembro del clan | clansman |
| miembro del jurado | panelist |
| Miembros del Basketball Hall of Fame | List of members of the Basketball Hall of Fame |
| mientras | while |
| Mientras agonizo | As I Lay Dying |
| Mientras escribo | On Writing |
| Mientras Nueva York duerme | While the City Sleeps |
| mientras que | while |
| mientras tanto | meanwhile |
