Colonel Fitzwilliam, character in Pride and Prejudice

Cystic fibrosis

Compact Fluorescent, a small style of fluorescent lamp

Canadian Forces, armed forces of Canada

Childfree, denotes people who do not have, and do not desire, children. Also known as "childless by choice".

Commercial film, a common Asian term for television advertisement.

ColdFusion, a WWW programming language

CompactFlash, a solid state memory technology

Collaborative filtering, the method of making automatic predictions about the interests of a user by collecting information from many users.

Californium, a radioactive chemical element

Cerebrospinal fluid

Colin Firth, British actor

ATI CrossFire, a method for combinig graphic cards

Centre forward, an attacking position in soccer.

Cash flow, the ability of a business to fulfil its obligations

Carbon fiber, a strong, lightweight material used in many applications

The Cheesecake Factory, a restaurant chain

Cantus firmus, in musical compositions

Color filter, a way to color light

ConFlat, a type of vacuum flange

CHERUB Forums, an internet message board about the CHERUB books by Robert Muchamore.

Coupling Facility, an IBM mainframe feature

Center field(er), a defensive position in baseball.

.cf, the Top-Level Domain for Central African Republic

Call forwarding, a telecommunication service feature

The IATA code for City Airline.

Child Foundation, An International Charity Institute; www.childfoundation.org

cf. is an abbreviation for the Latin word confer, meaning "compare" or "consult"

Carboxyfluorescein is a fluorescent dye with an excitation and emission of 492/517 nm, respectively. It is commonly used as a tracer agent. The dye is membrane-impermeant and can be loaded into cells by microinjection or scrape loading.[1] It can...

Club de Fútbol, a common part of names of football (soccer) teams from Spain and Latin America.

Conductivity factor, the level of dissolved salts in a solution.

Canopy formation, a discipline in parachuting.

Conservative Future, youth movement of the British Conservative Party

Cubic foot, an Imperial / U.S. customary (non-metric) unit of volume

Core Foundation, a C application programming interface (API) in Mac OS X.

Compact Framework, as in .NET Compact Framework, a version of the .NET Framework for mobile & embedded devices

Cross Fusion, in the Mega Man videogame series

Clusterfuck, also Charlie Foxtrot, is a disastrous situation that results from the cumulative errors of several people or groups. Also used as a slang term to describe the area effect nature of artillery or cluster bombs.

Cardiff: CF is the United Kingdom post code for the region in southern Wales which is served by the Cardiff. See also postal sorting office and List of postal areas in the United Kingdom.

Central African Republic, 2-letter ISO country code.

Republic of the Congo, FIPS Pub 10-4 and obsolete NATO diagram (from Congo français, "French Congo").

Calgary Flames, NHL ice hockey team.

Celtic Frost, a Swiss heavy metal band

Cyber Formula: a Japanese anime series, Future GPX Cyber Formula, and the fictional racing cars in the series.