The Latin tag ''

cf. The abbreviation cf. (short for either Latin or , both meaning 'compare') is generally used in writing to refer the reader to other material to make a comparison with the topic being discussed. However some sources offer differing or even contr ...

'', much used in text books, means 'compare'. CF, Cf, cf and similar may refer to:

Arts and entertainment

* "Commercial film", the term for a

television advertisement A television advertisement (also called a commercial, spot, break, advert, or ad) is a span of television programming produced and paid for by an organization. It conveys a message promoting, and aiming to market, a product, service or idea. ...

in South Korea *

Captain Flamingo ''Captain Flamingo'' is an animated television series produced by Breakthrough Films & Television, Heroic Film Company, Atomic Cartoons, and PASI Animation Studios. Loosely based on the ''Deke Wilson's Mini-Mysteries'' spin-off episode (of t ...

, a Canadian animated television series * Christopher Forgues, an artist and musician based in Providence, Rhode Island, United States; known as C.F.

Computing

* .cf, the Top-Level Domain for Central African Republic * .NET Compact Framework, a version of the .NET Framework for mobile and embedded devices *

Adobe ColdFusion Adobe ColdFusion is a commercial rapid web-application development computing platform created by J. J. Allaire in 1995. (The programming language used with that platform is also commonly called ColdFusion, though is more accurately known as C ...

, a web application development platform *

Collaborative filtering Collaborative filtering (CF) is, besides content-based filtering, one of two major techniques used by recommender systems.Francesco Ricci and Lior Rokach and Bracha ShapiraIntroduction to Recommender Systems Handbook, Recommender Systems Handbo ...

, a method of making predictions by collecting information from many users *

CompactFlash CompactFlash (CF) is a flash memory mass storage device used mainly in portable electronic devices. The format was specified and the devices were first manufactured by SanDisk in 1994. CompactFlash became one of the most successful of the e ...

, a type of memory card * Compact Floppy, a variation of floppy disk * Consolidation function, in computer science *

Core Foundation Core Foundation (also called CF) is a C application programming interface (API) written by Apple Inc. for its operating systems, and is a mix of low-level routines and wrapper functions. Most Core Foundation routines follow a certain naming c ...

, a C application programming interface in Mac OS X *

Coupling Facility In IBM System/390 and IBM Z mainframe computers, a Coupling Facility or CF is a piece of computer hardware or virtual machine that coordinates multiple processors. A Parallel Sysplex relies on one or more Coupling Facilities (CFs). A coupling ...

, an IBM mainframe feature *

CurseForge Curse was a gaming company that managed the Video game modding, video game mod host CurseForge, Wiki hosting service, wiki host Gamepedia, and the Curse Network of gaming community websites. The company was headquartered in Huntsville, Alabama, ...

, a website offering mods for various video games *

Cloudflare Cloudflare, Inc., is an American company that provides content delivery network services, cybersecurity, DDoS mitigation, wide area network services, reverse proxies, Domain Name Service, ICANN-accredited domain registration, and other se ...

, an American technology company

Science and technology

Haplogroup CF (Y-DNA) Haplogroup CF, also known as CF-P143 and CT(xDE), is a human Y-chromosome DNA haplogroup. CF is defined by the SNP P143, and its existence and distribution are inferred from the fact that haplogroups descended from CF include most human male lin ...

* Carbon monofluoride, a solid material *

Carbon fibers Carbon fibers American and British English spelling differences, or carbon fibres (alternatively CF, graphite fiber or graphite fibre) are fibers about in diameter and composed mostly of carbon atoms. Carbon fibers have several advantages: ...

, a fiber made of carbon, typically used in carbon fibers composites *

Californium Californium is a synthetic chemical element; it has symbol Cf and atomic number 98. It was first synthesized in 1950 at Lawrence Berkeley National Laboratory (then the University of California Radiation Laboratory) by bombarding curium with al ...

, symbol Cf, a chemical element *

Climate and Forecast Metadata Conventions The Climate and Forecast (CF) metadata conventions are conventions for the description of Earth sciences data, intended to promote the processing and sharing of data files. The metadata defined by the CF conventions are generally included in the ...

, for Earth science data * Conductivity factor, the level of dissolved salts in a solution * Conflat, a type of

vacuum flange A vacuum flange is a flange at the end of a tube used to connect vacuum chambers, tubing and vacuum pumps to each other. Vacuum flanges are used for scientific and industrial applications to allow various pieces of equipment to interact via physical ...

Cystic fibrosis Cystic fibrosis (CF) is a genetic disorder inherited in an autosomal recessive manner that impairs the normal clearance of Sputum, mucus from the lungs, which facilitates the colonization and infection of the lungs by bacteria, notably ''Staphy ...

, a hereditary multisystem autosomal recessive disease *

Capacity factor The net capacity factor is the unitless ratio of actual electrical energy output over a given period of time to the theoretical maximum electrical energy output over that period. The theoretical maximum energy output of a given installation is def ...

, a ratio of an actual electrical energy output of a power plant over a period of time to the maximum possible electrical energy output.

Places

CF postcode area The CF postcode area, also known as the Cardiff postcode area, is a group of 35 postcode districts for post towns: Cardiff, Bridgend, Merthyr Tydfil, Caerphilly, Aberdare, Bargoed, Barry, Cowbridge, Dinas Powys, Ferndale, Hengoed, Llantwi ...

, for Cardiff and Mid Glamorgan (United Kingdom) post codes *

Central African Republic The Central African Republic (CAR) is a landlocked country in Central Africa. It is bordered by Chad to Central African Republic–Chad border, the north, Sudan to Central African Republic–Sudan border, the northeast, South Sudan to Central ...

, 2-letter ISO country code * Central Falls, a city in Rhode Island, United States *

Chinatown Fair Chinatown Fair Family Fun Center is a video arcade center located on Mott Street in Chinatown, Manhattan. Historically, the arcade catered toward competitive fighting games. The original arcade opened in 1944 and closed in February 2011, but reope ...

, a video arcade in Brooklyn, New York, United States

Sports

Canopy formation A canopy formation is a formation built by parachutists by flying their parachutes in proximity to each other and then taking grips ("docking") on other jumpers' parachutes. The practice of building such formations is officially known as ''cano ...

, a discipline in parachuting *

Center fielder A center fielder, abbreviated CF, is the outfielder in baseball who plays defense in center field – the baseball and softball fielding position between left field and right field. In the numbering system used to record defensive plays, the ...

, a defensive position in baseball *

Centre forward In the sport of association football, a forward (attacker or striker) is an outfield position which primarily plays further up the pitch than midfielders and defenders. As with any attacking player, the role of the forward relies heavily on be ...

, an attacking position in Association football *

Football club In association football, a football club (or association football club, alternatively soccer club) is a sports club that acts as an entity through which association football teams organise their sporting activities. The club can exist either as ...

''(Club de Fútbol)'' in Spain * Corsi For, a

statistic A statistic (singular) or sample statistic is any quantity computed from values in a sample which is considered for a statistical purpose. Statistical purposes include estimating a population parameter, describing a sample, or evaluating a hypot ...

used in the ice hockey

Other uses

Cadillac Fairview The Cadillac Fairview Corporation Limited, branded as Cadillac Fairview, is a Canadian company that invests in, owns, and manages commercial real estate, mainly in Canada and the United States. As of March 2017, the company had 73 properties, enco ...

, a Canadian commercial real estate owner and management company *

Canadian Forces The Canadian Armed Forces (CAF; , FAC) are the unified Military, military forces of Canada, including sea, land, and air commands referred to as the Royal Canadian Navy, Canadian Army and the Royal Canadian Air Force. Under the ''National Defenc ...

, Canada's military * Casino Filipino, a casino chain in the Philippines * Chaplain to the Forces, post-nominal initials for army chaplains *

Clinton Foundation The Clinton Foundation (founded in 2001 as the William J. Clinton Presidential Foundation, and renamed in 2013 as the Bill, Hillary & Chelsea Clinton Foundation) is a nonprofit organization under section 501(c)(3) of the U.S. tax code. It was e ...

, a nonprofit corporation established by former President of the United States Bill Clinton * Cohesion Fund, one of the European Structural and Investment Funds of the European Union * Companion, an

Order of Fiji The Order of Fiji is the highest Order (honour), honour of the Fijian honours system. Established 1 March 1995, the order is presented for achievement and merit to Fiji and mankind as a whole. The order is divided into a general division and mili ...

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