20-letter words containing i, r, e, f
- central bedfordshire — a unitary authority of S central England. Pop: 252 100 (2007 est). Area: 712 sq km (275 sq miles)
- centrifugal spinning — the spinning of rayon filaments in a centrifugal box.
- certificate of stock — stock certificate.
- certified accountant — (in Britain) a member of the Chartered Association of Certified Accountants, who is authorized to audit company accounts
- chapter of accidents — a series of misfortunes
- chauffeur-driven car — a car driven by a chauffeur
- chemical fingerprint — a distinctive characteristic or pattern indicating the presence of a certain molecule, used to identify a chemical.
- chief superintendent — an officer of senior rank in a British police force or other similarly organized force
- college of cardinals — the collective body of cardinals having the function of electing and advising the pope
- commissioned officer — a military officer holding a commission, such as Second Lieutenant in the British Army, Acting Sub-Lieutenant in the Royal Navy, Pilot Officer in the Royal Air Force, and officers of all ranks senior to these
- committee of inquiry — (in parliament) a group set up to investigate something
- confectioners' sugar — Confectioners' sugar is very fine white sugar that is used for making icing and candy.
- conference committee — a committee made up of members from both houses whose task is to eliminate any differences between versions of legislation on the same subject passed in the different chambers
- conferencing over ip — (communications, standard) (CoIP) Standards for the transmission of multimedia over the Internet. CoIP extends VoIP (voice over Internet Protocol) with text, images, video. The main CoIP standard is based on H.323. The VoIP forum of the IMTC merged with the H.323 Activity Group in January 1999 to form the Conferencing over IP (CoIP) Activity Group. VoIP uses "VoIP Devices" as gateways to route voice data packets over the Internet or PSTN. Protocols such as SGCP and its successor MGCP extend VoIP to handle media other than voice data.
- conflict of interest — a conflict between one's obligation to the public good and one's self-interest, as in the case of a public officeholder who owns stock in a company seeking government contracts
- conformal projection — a map projection in which angles formed by lines are preserved: a map made using this projection preserves the shape of any small area.
- conservation of mass — the principle that the total mass of any isolated system is constant and is independent of any chemical and physical changes taking place within the system
- coroneted fruit dove — a brightly coloured bird of the Columbidae family with a distinctive marking on its head, found in Indonesia and Papua new Guinea
- correctional officer — a prison guard
- council of ministers — the EU's most important decision-making body
- council of the reich — the Reichsrat.
- counter-inflationary — designed to reduce inflation
- counterproliferation — Action intended to prevent an increase or spread in the possession of nuclear weapons.
- craft apprenticeship — a period of training for a skilled trade in industry, such as for a plumber or electrician
- crisis of confidence — a serious loss of confidence
- darkfield microscope — kind of microscope
- data dictionary file — (database) (DDF) A set of files describing the structure of a database file. DDFs define database tables and include information about file locations, field layouts and indexes. DDFs are the standard method for defining field and index characteristics for Btrieve files.
- de facto segregation — racial, ethnic, or other segregation resulting from societal differences between groups, as socioeconomic or political disparity, without institutionalized legislation intended to segregate.
- deduct from the bill — If you deduct an item or expense from the bill at a restaurant or hotel, you take a charge out of a customer's bill.
- definite description — a description that is modified by the definite article or a possessive, such as the woman in white or Rosemary's baby
- degree of difficulty — a rating which reflects the difficulty of the manoeuvre or action an athlete is attempting to perform in sports such as gymnastics and diving, and which is factored into the final score
- dichloroethyl formal — a colorless liquid, C 5 H 10 O 2 Cl 2 , used chiefly as a solvent and in the manufacture of certain synthetic rubbers.
- difference amplifier — A difference amplifier is a device that amplifies the difference between two inputs, rejecting any signals common to both.
- difference threshold — the minimum difference between two stimuli that is just detectable by a person
- differential housing — the casing that houses the differential of a motor vehicle
- differential pricing — a situation in which different prices are charged for the same product or service
- dirac delta function — delta function.
- double fertilization — the fertilization process characteristic of flowering plants, in which one sperm cell of a pollen grain fertilizes an egg cell while a second fuses with two polar nuclei to produce a triploid body that gives rise to the endosperm.
- drink with the flies — to drink alone
- ecological footprint — a mark left by the shod or unshod foot, as in earth or sand.
- effective resistance — the resistance to an alternating current, expressed as the ratio of the power dissipated to the square of the effective current.
- efficiency apartment — a small apartment consisting typically of a combined living room and bedroom area, a bathroom, and a kitchenette.
- eleanor of aquitaine — ?1122–1204, queen of France (1137–52) by her marriage to Louis VII and queen of England (1154–89) by her marriage to Henry II; mother of the English kings Richard I and John
- electrode efficiency — the ratio of the amount of metal deposited in an electrolytic cell to that theoretically deposited according to Faraday's laws
- electronic footprint — data that identifies a computer that has connected to a particular website
- elizabeth of hungary — Saint. 1207–31, Hungarian princess who devoted herself to charity and asceticism. Feast day: Nov 17 and 19
- embryo vitrification — a method of in vitro fertilization in which the embryo is exposed to a vitreous solution and frozen before being thawed and implanted into the uterus
- entry qualifications — the qualifications people wishing to enter an organization, university, etc, have to have
- equity of redemption — the right that a mortgager has in equity to redeem his property on payment of the sum owing, even though the sum is overdue
- erythema infectiosum — a mild infectious disease of childhood, caused by a virus, characterized by fever and a red rash spreading from the cheeks to the limbs and trunk