4-letter words containing r
- cber — a person who owns and operates a CB radio.
- cbir — (image) content-based information retrieval.
- cbrn — (of weapons or warfare) chemical, bacteriological, radiological, or nuclear
- ccrc — Criminal Cases Review Commission: a British government body established in 1997 to investigate alleged miscarriages of justice
- cd-r — A CD-R is a CD which is capable of recording sound and images, for example from another CD or from the Internet. CD-R is an abbreviation for 'compact disc recordable'.
- cdre — Commodore
- cer- — cero-
- cera — (in prescriptions) wax.
- cere — a soft waxy swelling, containing the nostrils, at the base of the upper beak in such birds as the parrot
- cerf — Bennett (Alfred) 1898–1971, U.S. book publisher, editor, and writer.
- cern — Conseil Européen pour la Recherche Nucléaire; an organization of European states with a centre in Geneva for research in high-energy particle physics, now called the European Laboratory for Particle Physics
- cero — a large spiny-finned food fish, Scomberomorus regalis, of warm American coastal regions of the Atlantic: family Scombridae (mackerels, tunnies, etc)
- cert — If you say that someone or something is a cert, you mean that you are certain they will succeed.
- cgbr — Central Government Borrowing Requirement
- char — If food chars or if you char it, it burns slightly and turns black as it is cooking.
- cher — a department of central France, in E Centre region. Capital: Bourges. Pop: 312 277 (2003 est). Area: 7304 sq km (2849 sq miles)
- chor — (Geordie) Alternative form of chore#Etymology_2 (to steal).
- chrp — PowerPC Platform
- chur — an informal expression of agreement
- cidr — Classless Inter-Domain Routing
- cir. — (preceding a date) circa
- cirb — Canada Industrial Relations Board
- circ — circular (def 9).
- cire — (of fabric) treated with a heat or wax process to make it smooth
- cirl — a bird belonging to the bunting family
- cmdr — Cmdr is a written abbreviation for commander.
- cnar — compound net annual rate
- cnri — Corporation for National Research Initiatives
- coir — Coir is a rough material made from coconut shells which is used to make ropes and mats.
- comr — Commissioner
- cor- — com-
- cora — a feminine name
- corb — A basket used in coal mines, etc.; a corf.
- corc — CORnell Compiler. Simple language for student math problems.
- cord — Cord is strong, thick string.
- core — The core of a fruit is the central part of it. It contains seeds or pips.
- corf — a wagon or basket used formerly in mines
- cori — Carl Ferdinand. 1896–1984, US biochemist, born in Bohemia; shared a Nobel prize for physiology or medicine (1947) with his wife Gerty Theresa Radnitz Cori (1896–1957) and Bernardo Houssay, for elucidating the stages of glycolysis
- cork — Cork is a soft, light substance which forms the bark of a type of Mediterranean tree.
- corm — an organ of vegetative reproduction in plants such as the crocus, consisting of a globular stem base swollen with food and surrounded by papery scale leaves
- corn — Corn is used to refer to crops such as wheat and barley. It can also be used to refer to the seeds from these plants.
- coro — a city in NW Venezuela.
- corr — corrected
- cory — any of various freshwater catfish belonging to the South American Corydoras genus
- cpre — Council for the Protection of Rural England
- cpsr — Computer Professionals for Social Responsibility
- crab — A crab is a sea creature with a flat round body covered by a shell, and five pairs of legs with large claws on the front pair. Crabs usually move sideways.
- crac — Careers Research and Advisory Centre
- crag — A crag is a steep rocky cliff or part of a mountain.
- cram — If you cram things or people into a container or place, you put them into it, although there is hardly enough room for them.