| Micronesia | Micronesian |
| micronizar | micronize |
| microonda | microwave |
| microondas | microwave |
| microordenador | microcomputer |
| microorganismo | microorganism |
| microorganismos | micro-organism |
| Microorganismos efectivos | Effective Microorganisms |
| Micropezidae | Micropezidae |
| microplaqueta | microchip |
| Micropolifonía | Micropolyphony |
| microprocesador | microprocessor |
| Microprograma | Firmware |
| MicroProse | MicroProse |
| Micropsia | Alice in Wonderland syndrome |
| Microquasar | Microquasar |
| Microraptor | Microraptor |
| Microsatélites | Microsatellite |
| microscopia | microscopy |
| microscopio | microscope |
| Microscopio confocal | Confocal microscopy |
| Microscopio de campo oscuro | Dark field microscopy |
| Microscopio de fluorescencia | Fluorescence microscope |
| Microscopio de fuerza atómica | Atomic force microscope |
| Microscopio de iones en campo | Field ion microscope |
| Microscopio electrónico | Electron microscope |
| Microscopio electrónico de transmisión | Transmission electron microscopy |
| Microscopio óptico | Microscope |
| Microscopium | Microscope |
| 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 |
