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) In the hippocampus, the mossy fiber pathway consists of unmyelinated axons projecting from granule cells in the den ...

, 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 lesion ...

, 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 growth of abnormal cells in the bone marrow. ...

, 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 ...

rosettes, the sites of cellulose microfibril synthesis in plants

Companies and organizations

* ''

MF Dow Jones News ''MF Dow Jones News'' (MF-DJ), is an Italian press release service, owned by Class Editori in joint venture with Dow Jones. Produces reports for Class Editori Class Editori S.p.A. is an Italian media conglomerate that is based in Milan and lis ...

'', an Italian financial news agency * ''

MF Milano Finanza ''MF'' is an Italian national daily business newspaper owned by Class Editori Class Editori S.p.A. is an Italian media conglomerate that is based in Milan and listed on the Italian Stock Exchange since November 30, 1998. It is also active in ...

'', an Italian business newspaper *

MF Global MF Global, 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 as well as over- ...

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

MF Norwegian School of Theology MF Norwegian School of Theology, Religion and Society ( no, MF vitenskapelig høyskole for teologi, religion og samfunn), formerly the Free Faculty of Theology ( no, Det teologiske menighetsfakultet) and MF Norwegian School of Theology, is an accr ...

Massey Ferguson Massey Ferguson Limited is an American agricultural machinery manufacturer. The company was established in 1953 through the merger of farm equipment makers Massey-Harris of Canada and the Ferguson Company of the United Kingdom. It was based in ...

, 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 orga ...

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

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

, a software company *

Mitsubishi Fuso Truck and Bus Corporation The is a manufacturer of trucks and buses. It is headquartered in Kawasaki, Kanagawa, Japan. Currently, it is 89.29% 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'' (''Young Front Today''), also known as ''MF DNES'' or simply ''Dnes'' (''Today''), is a daily newspaper in the Czech Republic.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 *

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, L ...

, a file hosting, file synchronization, and cloud storage service * Metafont, a font-definition programming language * Mozilla Firefox, 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 line ...

, in telephony

Entertainment

Music

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

, a dynamic marking * Maynard Ferguson (1928–2006), trumpeter and bandleader * '' Melodifestivalen'', the Swedish preselection for the Eurovision Song Contest *

MF Doom Daniel Dumile ( ; July 13, 1971October 31, 2020), best known by his stage name MF Doom or simply Doom (both stylized in all caps), was a British-American rapper and record producer. Noted for his intricate wordplay, signature metal mask, and ...

(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 ...

(born 1970), hip-hop artist *

Mylène Farmer Mylène Jeanne Gautier (; born 12 September 1961), known professionally as Mylène Farmer (), is a Canadian-born French singer, songwriter, occasional actress, writer, and entrepreneur. Having sold more than 30 million records in France, she is ...

(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 family sitcom television series created by Christopher Lloyd and Steven Levitan for the American Broadcasting Company. It ran for 11 seasons, from September 23, 2009, to April 8, 2020. It follows the lives of th ...

'', an American sitcom * ''

Monster Force ''Monster Force'' is a 13-episode animated television series created in April 9, 1994 by Universal Cartoon Studios and Canadian studio Lacewood Productions. The story is set in approximately 2020 and centers on a group of teenagers who, with hel ...

'', a 1994 animated television series

Video games

* ''

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

Other uses

* '' M/F'', a novel by Anthony Burgess * ''M/F'' (journal), British feminist journal *MF or M/F, ship prefix for a motor ferry * Mega farad (MF), an SI unit of electric capacitance * Milli farad (mF), an SI unit of electric capacitance * The prefix for steel-wheel rolling stock on the

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

Mandatory frequency airport An airport with a mandatory frequency (MF), mandatory traffic advisory frequency (MTAF) or air/ground radio (A/G) is an airport which does not have a control tower but still requires arriving and departing aircraft to communicate with other aircra ...

, a non-towered airport that requires aircraft to communicate on a published frequency *

Manual focus In the field of photography, a manual focus camera is one in which the user has to adjust the focus of the lens by hand. Before the advent of autofocus, all cameras had manually adjusted focusing; thus, the term is a retronym. The focus itself ...

* Master of

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

Mayotte Mayotte (; french: Mayotte, ; Shimaore: ''Maore'', ; Kibushi: ''Maori'', ), officially the Department of Mayotte (french: Département de Mayotte), is an overseas department and region and single territorial collectivity of France. It is loca ...

, 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&nbs ...

, a size of camera *

Medium frequency Medium frequency (MF) is the ITU designation for radio frequencies (RF) in the range of 300 kilohertz (kHz) to 3 megahertz (MHz). Part of this band is the medium wave (MW) AM broadcast band. The MF band is also known as the ...

, 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 , one has \mathbf_(x)=1 if x ...

, in control engineering, in fuzzy sets *

Midfielder A midfielder is an outfield position in association football. Midfielders may play an exclusively defensive role, breaking up attacks, and are in that case known as defensive midfielders. As central midfielders often go across boundarie ...

, 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''. While the word is usually considered highly offensive, it is rarely used in the literal ...

, an insult *

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

, in finance * Member of the Folketing