20-letter words containing o, f, l, i
- counter-inflationary — designed to reduce inflation
- counterproliferation — Action intended to prevent an increase or spread in the possession of nuclear weapons.
- coupling coefficient — The coupling coefficient of a pair of coils is a measure of the magnetic effect passing between them.
- 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.
- death of ivan ilyich — a short novel (1884) by Leo Tolstoy.
- 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.
- 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 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
- dirac delta function — delta function.
- discounted cash flow — a technique for appraising an investment that takes into account the different values of future returns according to when they will be received
- district of columbia — a federal area in the E United States, on the Potomac, coextensive with the federal capital, Washington. 69 sq. mi. (179 sq. km). Abbreviation: DC (for use with zip code), D.C.
- doctor of philosophy — Also called doctorate. the highest degree awarded by a graduate school, usually to a person who has completed at least three years of graduate study and a dissertation approved by a board of professors.
- 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.
- ecological footprint — a mark left by the shod or unshod foot, as in earth or sand.
- effective computable — (theory) A term describing a function for which there is an effective algorithm that correctly calculates the function. The algorithm must consist of a finite sequence of instructions.
- 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
- entry qualifications — the qualifications people wishing to enter an organization, university, etc, have to have
- european social fund — one of the four Structural Funds of the European Union which aims to support employment and the economic and social well-being of EU member countries
- federal constitution — Constitution of the United States.
- federation of malaya — a federation of the nine Malay States of the Malay Peninsula and two of the Straits Settlements (Malacca and Penang): formed in 1948: became part of the British Commonwealth in 1957 and joined Malaysia in 1963
- fermentation alcohol — alcohol (def 1).
- fermentation-alcohol — Also called ethyl alcohol, grain alcohol, ethanol, fermentation alcohol. a colorless, limpid, volatile, flammable, water-miscible liquid, C 2 H 5 OH, having an etherlike odor and pungent, burning taste, the intoxicating principle of fermented liquors, produced by yeast fermentation of certain carbohydrates, as grains, molasses, starch, or sugar, or obtained synthetically by hydration of ethylene or as a by-product of certain hydrocarbon syntheses: used chiefly as a solvent in the extraction of specific substances, in beverages, medicines, organic synthesis, lotions, tonics, colognes, rubbing compounds, as an automobile radiator antifreeze, and as a rocket fuel. Compare denatured alcohol, methyl alcohol.
- field ion microscope — a device in which the atomic structure of the surface of a conductor is made visible by introducing helium gas into the device and applying a high voltage to ionize and accelerate the gas toward a fluorescent screen.
- field-ion microscope — a device in which the atomic structure of the surface of a conductor is made visible by introducing helium gas into the device and applying a high voltage to ionize and accelerate the gas toward a fluorescent screen.
- fight for one's life — Someone who is fighting for their life is making a great effort to stay alive, either when they are being physically attacked or when they are very ill.
- fight tooth and nail — fight fiercely
- file descriptor leak — (programming) (Or "fd leak" /F D leek/) A kind of programming bug analogous to a core leak, in which a program fails to close file descriptors ("fd"s) after file operations are completed, and thus eventually runs out of them. See leak.
- fill someone's shoes — an external covering for the human foot, usually of leather and consisting of a more or less stiff or heavy sole and a lighter upper part ending a short distance above, at, or below the ankle.
- financial accounting — the work of preparing financial statements showing the financial performance of an organization for the benefit of people outside the organization and not involved in its day-to-day operation
- financial aid office — an office at a US university that assesses students' financial needs and, if appropriate, offers them financial aid
- financial consultant — A financial consultant is the same as a financial adviser.
- financial controller — a senior executive in usually commercial organization who is in charge of financial affairs and oversees such things as the preparation of budgets and accounts
- first earl of cromer — 1st Earl of, Evelyn Baring.
- first world problems — If you say that someone has First World problems, you mean that their problems are not really very important.
- five-a-side football — a version of soccer with five players in each team
- five-elements school — Yin-Yang School.
- flame-fusion process — Verneuil process.
- flight data recorder — a recording device that records relevant data during an aircraft's flight
- floodlight projector — a powerful lamp having a reflector curved to produce a floodlight.
- florence nightingale — Florence ("the Lady with the Lamp") 1820–1910, English nurse: reformer of hospital conditions and procedures; reorganizer of nurse's training programs.
- fontainebleau school — a group of artists, many of them Italian and Flemish, who worked on the decorations of the palace of Fontainebleau in the 16th century.
- football hooliganism — the actions or behaviour of a football hooligan
- for all one is worth — good or important enough to justify (what is specified): advice worth taking; a place worth visiting.
- for sb's delectation — If you do something for someone's delectation, you do it to give them enjoyment or pleasure.