MCI may refer to the following:

• MCI Group Holdings, an association, communications, and event management company.
• MCI Inc., a former American telecommunications company acquired by Verizon Communications
• Microwave Communications Inc., later MCI Communications, the corporation that operated as MCI from 1963–1998
• The airport code for the Kansas City International Airport in Kansas City, Missouri, USA
• Maine Central Institute, a boarding school in Maine, founded in 1866
• Martingrove Collegiate Institute, a secondary school located in Toronto, Ontario.
• Media Control Interface/Multimedia Control Interface.
• Medical Council of India
• Mild cognitive impairment, a neurological affliction often associated with Alzheimer's disease
• Motor Coach Industries, a company that builds buses
• MCI (audio), a company that manufactured multi-track audiotape recorders for professional studio recording
• Massachusetts Correctional Institution, a list of which can be found at List of Massachusetts state prisons
• Malicious Caller Identification, a type of enhanced telephone service
• Macroinvertebrate Community Index, a measure used in New Zealand for the environmental status of streams.
• Myocardial infarction, a heart attack.
• Master Command Interface, The main terminal for a computer
• Mennonite Collegiate Institute, a private, religious school in the town of Gretna, in Southern Manitoba.
• Multiple Casualty Incident, an EMS call with more patients than managable by one ambulance.

mCi is MCI is the foremost global association, communications and event management group. ... MCI logo MCI, Inc. ... Verizon Communications (NYSE: VZ) is a major telecom company based in New York City. ... MCIs original corporate logo MCI Communications was an American telecommunications company that was instrumental in legal and regulatory changes that led to the breakup of the AT&T monopoly of American telephony. ... Kansas City International Airport (IATA: MCI, ICAO: KMCI), originally named Mid-Continent International Airport, is a public airport located 15 miles (24 km) northwest of the central business district (CBD) of Kansas City, in Platte County, Missouri, USA. In 2005 9. ... The Maine Central Institute (MCI), is a private high school, founded in 1866, located in Pittsfield, Maine, in the United States. ... Martingrove Collegiate Institute (MCI) is a medium-sized high school located in Torontos west end close to the intersection of Eglinton Avenue and Martingrove Road. ... Secondary education - Wikipedia, the free encyclopedia /**/ @import /skins-1. ... Motto: Ut Incepit Fidelis Sic Permanet (Latin: Loyal she began, loyal she remains) Official languages English Flower White Trillium Tree Eastern White Pine Bird Common Loon Capital Toronto Largest city Toronto Lieutenant-Governor James K. Bartleman Premier Dalton McGuinty (Liberal) Parliamentary representation  - House seat  - Senate seats 106 24 Area Total... The Media Control Interface is short and sweet, in an aging with wrinkles API for controlling multimedia images connected to a tree. ... The Media Control Interface, MCI in short, in an aging API for controlling multimedia peripherals connected to a Microsoft Windows or OS/2 computer. ... Logo of Medical Council of India The Medical Council of India is a constitutional body in India set up primarily to establish uniform standards of higher qualifications inmedicine and to grant recognition of medical qualifications in India and abroad. ... Motor Coach Industries International Inc. ... MCI was a company that manufactured recorders for multitrack recording in professional recording studios. ... This is a list of state prisons in Massachusetts. ... Malicious Caller Identification (MCI), also called Malicious Call Trace (MCT) or Caller Activated Malicious Call Trace (CAMCT) is a facility which enables a phone call recipient to mark a phone call as malicious (i. ... A myocardial infarction occurs when an atherosclerotic plaque slowly builds up in the inner lining of a coronary artery and then suddenly ruptures, totally occluding the artery and preventing blood flow downstream. ... Motto: Gloriosus et Liber (Latin: Glorious and free) Official languages English and French, per mandate of the Constitution Act 1982 Flower Prairie Crocus Tree White Spruce Bird Great Grey Owl Capital Winnipeg Largest city Winnipeg Lieutenant-Governor John Harvard Premier Gary Doer (NDP) Parliamentary representation  - House seat  - Senate seats 14... EMS may stand for: Organizations Eastern Mountain Sports, an outdoor retailer Edinburgh Mathematical Society Electronic Music Studios (London) Ltd, manufacturers of synthesisers European Monetary System, 1979 European Mathematical Society Environmental Middle School Engineering Music Society, Melbourne University Science and Engineering Physics and Chemistry Electromagnetic spectrum Ethyl methanesulfonate (or methanesulfonic acid...

• millicurie, 1/1000 of a curie, a non-SI unit of radioactivity

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