MF or mf may refer to:

Biology

Mossy fiber (disambiguation) Mossy fiber may refer to two different bundles of axons in the brain: * Mossy fiber (cerebellum) * Mossy fiber (hippocampus) {{Disambig ...

, in neuroscience *

Mycosis fungoides Mycosis fungoides, also known as Alibert-Bazin syndrome or granuloma fungoides, is the most common form of cutaneous T-cell lymphoma. It generally affects the skin, but may progress internally over time. Symptoms include rash, tumors, skin lesio ...

, a type of skin disease *

Myelofibrosis Primary myelofibrosis (PMF) is a rare bone marrow blood cancer. It is classified by the World Health Organization (WHO) as a type of myeloproliferative neoplasm, a group of cancers in which there is activation and growth of mutated cells in ...

, a chronic clonal malignant disease *

Microfibril A microfibril is a very fine fibril, or fiber-like strand, consisting of glycoproteins and cellulose. It is usually, but not always, used as a general term in describing the structure of protein fiber, e.g. hair and sperm tail. Its most frequently o ...

rosettes, the sites of cellulose microfibril synthesis in plants

Companies, organizations, and politics

* '' MF Dow Jones News'', an Italian financial news agency * '' MF Milano Finanza'', an Italian business newspaper *

MF Global MF Global Holdings Ltd., formerly known as Man Financial, was a major global financial derivatives broker, or commodities brokerage firm that went bankrupt in 2011. MF Global provided exchange-traded derivatives, such as futures and options ...

(also Man Financial), a former finance company NYSE listed as MF *

MF Norwegian School of Theology, Religion and Society MF Norwegian School of Theology, Religion and Society (MF for short) is a Norwegian private specialized university. MF focuses on education, research and dissemination of their fields of expertise. The specialized university is located at Majorstu ...

Massey Ferguson Massey Ferguson is an agricultural machinery manufacturer, established in 1953 through the merger of farm equipment makers Massey-Harris of Canada and the Ferguson Company of Ireland. It was based in Coventry then moved to Beauvais in 2003 when ...

, an agricultural equipment company *

Methuselah Foundation The Methuselah Foundation is an American-based global non-profit organization based in Springfield, Virginia, with a declared mission to "make 90 the new 50 by 2030" by supporting tissue engineering and regenerative medicine therapies. The org ...

, a non-profit volunteer organization devoted to anti-aging research *

Micro Focus Micro Focus International plc was a British multinational software and information technology business based in Newbury, Berkshire, England. The firm provided software and consultancy. The company was listed on the London Stock Exchange and t ...

, a software company *

Minority Front The Minority Front (MF) is a political party in South Africa. The party represents all minorities of South Africa, however, its support comes mainly from the South African Indian community. Its voter base is in the province of KwaZulu-Natal. T ...

, a South African political party *

Mitsubishi Fuso Truck and Bus Corporation The is a Japanese manufacturer of trucks and buses. It is headquartered in Kawasaki, Kanagawa and owned by Germany-based Daimler Truck.

, a Japanese manufacturer of trucks and buses ** Mitsubishi Fuso Truck of America, Inc., a North American subsidiary * ''

Mladá fronta DNES ''Mladá fronta Dnes'' (), also known as ''MF Dnes'' or simply ''Dnes'', is a daily newspaper based in the Czech Republic The Czech Republic, also known as Czechia, and historically known as Bohemia, is a landlocked country in Central Euro ...

'', a Czech newspaper * Musical Fidelity, a British high-end audio equipment manufacturer * Xiamen Airlines (IATA airline designator MF) * Muslims of France, a religious organization in France

Computing

* MF and .mf, the country code and Internet top level domain for Saint Martin *

Mainframe computer A mainframe computer, informally called a mainframe or big iron, is a computer used primarily by large organizations for critical applications like bulk data processing for tasks such as censuses, industry and consumer statistics, enterprise ...

MediaFire MediaFire is a file hosting, file synchronization, and cloud storage service based in Shenandoah, Texas, United States. Founded in June 2006 by Derek Labian and Tom Langridge, the company provides client software for Microsoft Windows, macOS ...

, a file hosting, file synchronization, and cloud storage service *

Metafont Metafont is a page description language, description language used to define raster fonts. It is also the name of the interpreter (computer software), interpreter that executes Metafont code, generating the bitmap fonts that can be embedded into ...

, a font-definition programming language *

Mozilla Firefox Mozilla Firefox, or simply Firefox, is a free and open-source web browser developed by the Mozilla Foundation and its subsidiary, the Mozilla Corporation. It uses the Gecko rendering engine to display web pages, which implements curren ...

, a web browser *

Multi-frequency In telephony, multi-frequency signaling (MF) is a type of signaling that was introduced by the Bell System after World War II. It uses a combination of audible tones for address ( telephone number) transport and supervision signaling on trunk ...

, in telephony

Entertainment

Music

Mezzo forte (musical notation) In music, the dynamics of a piece are the variation in loudness between notes or phrases. Dynamics are indicated by specific musical notation, often in some detail. However, dynamics markings require interpretation by the performer depending o ...

, a dynamic marking *

Maynard Ferguson Walter Maynard Ferguson CM (May 4, 1928 – August 23, 2006) was a Canadian jazz trumpeter and bandleader. He came to prominence in Stan Kenton's orchestra before forming his own big band in 1957. He was noted for his bands, which often served ...

(1928–2006), trumpeter and bandleader * ''

Melodifestivalen Melodifestivalen (; ) is an annual song competition organised by Swedish public broadcasters Sveriges Television (SVT) and Sveriges Radio (SR). It determines the country's representative for the Eurovision Song Contest, and has been staged almo ...

'', the Swedish preselection for the Eurovision Song Contest * MF Doom (Daniel Dumile, born 1974), British-born hip hop recording artist *

MF Grimm Percy Carey (born June 11, 1970), also known by the stage names MF Grimm, Grimm Reaper, GM Grimm and originally Build and Destroy, is an American underground rapper, music producer, CEO, and Eisner Award-nominated comic book writer from New Yor ...

(born 1970), hip-hop artist *

Mylène Farmer Mylène Jeanne Gautier (; born 12 September 1961), known professionally as Mylène Farmer (), is a French singer and songwriter. Having sold more than 30 million records worldwide, she is among the most successful recording artists of all time ...

(born 1961), Canadian-born French singer and songwriter

Television

* ''Making Fiends'' (TV series), an American animated horror comedy * ''

Modern Family ''Modern Family'' is an American television sitcom, created by Steven Levitan and Christopher Lloyd, that aired on ABC for 11 seasons from September 23, 2009, to April 8, 2020. The series follows the lives of three diverse but interrelated fa ...

'', an American sitcom * '' Monster Force'', a 1994 animated television series * " Murder Family", the 2020 premiere episode of ''Helluva Boss''

Video games

* ''

Metroid Fusion is a 2002 action-adventure game developed and published by Nintendo for the Game Boy Advance. It was developed by Nintendo Research & Development 1, which had developed the previous ''Metroid'' game, ''Super Metroid'' (1994). ''Fusion'' is par ...

Other uses

* '' M/F'', a novel by Anthony Burgess * '' m/f: a feminist journal'', a British feminist magazine * MF or M/F,

ship prefix A ship prefix is a combination of letters, usually abbreviations, used in front of the name of a civilian or naval ship that has historically served numerous purposes, such as identifying the vessel's mode of propulsion, purpose, or ownership/na ...

for a motor ferry * Mega

farad The farad (symbol: F) is the unit of electrical capacitance, the ability of a body to store an electrical charge, in the International System of Units, International System of Units (SI), equivalent to 1 coulomb per volt (C/V). It is named afte ...

(MF), an SI unit of electric capacitance * Milli

(mF), an SI unit of electric capacitance * The prefix for steel-wheel rolling stock on the

Paris Métro The Paris Métro (, , or , ), short for Métropolitain (), is a rapid transit system serving the Paris metropolitan area in France. A symbol of the city, it is known for its density within the capital's territorial limits, uniform architectur ...

* Monday–Friday (M–F), abbreviation for the American

workweek The weekdays and weekend are the complementary parts of the week, devoted to labour and rest, respectively. The legal weekdays (British English), or workweek (American English), is the part of the seven-day week devoted to working. In most ...

* Mandatory frequency airport, a non-towered airport that requires aircraft to communicate on a published frequency * Manual focus * Master of

forestry Forestry is the science and craft of creating, managing, planting, using, conserving and repairing forests and woodlands for associated resources for human and Natural environment, environmental benefits. Forestry is practiced in plantations and ...

Mayotte Mayotte ( ; , ; , ; , ), officially the Department of Mayotte (), is an Overseas France, overseas Overseas departments and regions of France, department and region and single territorial collectivity of France. It is one of the Overseas departm ...

, France (FIPS PUB 10-4 territory code MF) *

Medium format (film) Medium format has traditionally referred to a film format in photography and the related cameras and equipment that use film. Nowadays, the term applies to film and digital cameras that record images on media larger than the used in 35&n ...

, a size of camera *

Medium frequency Medium frequency (MF) is the International Telecommunication Union, ITU designation for Radio frequency, radio frequencies (RF) in the range of 300 kilohertz (kHz) to 3 megahertz (MHz). Part of this band is the medium wave (MW) A ...

, radio transmissions between the frequencies of 300 kHz and 3000 kHz *

Membership function In mathematics, an indicator function or a characteristic function of a subset of a set is a function that maps elements of the subset to one, and all other elements to zero. That is, if is a subset of some set , then the indicator function o ...

, in control engineering, in fuzzy sets *

Midfielder In the sport of association football, a midfielder takes an Glossary of association football terms#O, outfield position primarily in the middle of the pitch. Midfielders may play an exclusively defensive role, breaking up attacks, and are in t ...

, a playing position in association football *

Milk fat Butterfat or milkfat is the fatty portion of milk. Milk and cream are often sold according to the amount of butterfat they contain. Composition Butterfat is mainly composed of triglycerides. Each triglyceride contains three fatty acids. Butt ...

, on dairy product labels in Canada *

Motherfucker ''Motherfucker'' (; ), sometimes abbreviated as ''mofo'', ''mf'', or ''mf'er'', is an English-language vulgarism. It is a form of the profanity ''fuck''. In common usage, it is rarely used to refer to one person having intercourse with a wo ...

, an insult *

Mutual fund A mutual fund is an investment fund that pools money from many investors to purchase Security (finance), securities. The term is typically used in the United States, Canada, and India, while similar structures across the globe include the SICAV in ...

, in finance *

Member of the Folketing Members of the Folketing () are Member of parliament, members of the Danish parliament, known as the Folketing. The title is frequently shortened to the initialism MF. The term of office is up to 4 years, but usually shorter as the Prime minist ...