MMO

Last updated August 19, 2025

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Look up MMO in Wiktionary, the free dictionary.

MMO may refer to:

Contents

Entertainment
Science and technology
Other
See also

Entertainment

Massively multiplayer online game, a video game that can be played by many people simultaneously
Music Minus One, a record company in Westchester, New York

Science and technology

Methane monooxygenase, an enzyme
Maximum operating Mach number, denoted M_MO
Mercury Magnetospheric Orbiter, a component of the Mercury mapper BepiColombo
Mini-Mag Orion, a proposed type of spacecraft propulsion
Mixed metal oxide, a class of materials often used in electrodes

Other

Means, motive, and opportunity, the "indicators of suspicion"
Minimum municipal obligation, minimum contribution to a pension plan
Maio Airport, in Cape Verde, IATA code
Melton Mowbray railway station, England (National Rail station code MMO)
Marine Management Organisation, UK government body
Marine mammal observer, a professional in environmental consulting

See also

Military Merit Order (disambiguation)

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