26-letter words containing u, p, o, n
- united press international — a business organization of newspapers in the U.S., together with representatives abroad, for the reporting and interchange of news. Abbreviation: UPI, U.P.I.
- united states marine corps — Marine Corps. Abbreviation: USMC.
- university of pennsylvania — (body, education) The home of ENIAC and Machiavelli. Address: Philadelphia, PA, USA.
- upper side-band modulation — (communications) (USB) A kind of modulation applied to a sinusoidal carrier.