21-letter words containing f, e, m, r, l
- afro-american english — Black English (def 1).
- ammonioferric oxalate — ferric ammonium oxalate.
- anti-aircraft missile — a missile intended to destroy enemy aircraft
- antiferromagnetically — In an antiferromagnetic manner.
- antihemophilic factor — a protein that is essential to normal blood clotting and is lacking or deficient in persons having hemophilia A. Abbreviation: AHF.
- articles of agreement — a contract between the captain of a ship and a crew member regarding stipulations of a voyage, signed prior to and upon termination of a voyage.
- axial-flow compressor — a device for compressing a gas by accelerating it tangentially by means of bladed rotors, to increase its kinetic energy, and then diffusing it through static vanes (stators), to increase its pressure
- bichloride of mercury — mercuric chloride
- black-headed fireworm — the larva of any of several moths, as Rhopobota naevana (black-headed fireworm) which feeds on the leaves of cranberries and causes them to wither.
- bromine pentafluoride — a colorless, corrosive liquid, BrF 5 , used as an oxidizer in liquid rocket propellants.
- butterfly common lisp — A parallel version of Common LISP for the BBN Butterfly computer.
- by fair means or foul — If someone tries to achieve something by fair means or foul, they use every means possible in order to achieve it, and they do not care if their behaviour is dishonest or unfair.
- chloroformyl chloride — phosgene.
- clement of alexandria — Saint. original name Titus Flavius Clemens. ?150–?215 ad, Greek Christian theologian: head of the catechetical school at Alexandria; teacher of Origen. Feast day: Dec 5
- clostridium difficile — Clostridium difficile is a bacterium that causes severe diarrhoea. It is commonly found in hospitals. C.diff is also used.
- collimator viewfinder — a type of viewfinder in a camera
- collins street farmer — a businessman who invests in farms, land, etc
- come in from the cold — to come out of exile, isolation, etc.; resume an active role
- comfortably-furnished — containing comfortable furniture
- commercial fertilizer — fertilizer manufactured chemically, as distinguished from natural fertilizer, as manure.
- cosmological redshift — the part of the redshift of celestial objects resulting from the expansion of the universe.
- court of common pleas — (formerly) a superior court exercising jurisdiction in civil actions between private citizens
- dark-field microscope — ultramicroscope
- differential geometry — the branch of mathematics that deals with the application of the principles of differential and integral calculus to the study of curves and surfaces.
- dumfries and galloway — a region in S Scotland. 2460 sq. mi. (6371 sq. km).
- electromagnetic field — a field of force associated with a moving electric charge equivalent to an electric field and a magnetic field at right angles to each other and to the direction of propagation
- faculty board meeting — a meeting of the governing body of a faculty
- false memory syndrome — a psychological condition in which a person believes that he or she remembers events that have not actually occurred.
- false-memory syndrome — a psychological condition in which a person believes that he or she remembers events that have not actually occurred.
- feline leukemia virus — a retrovirus, mainly affecting cats, that depresses the immune system and leads to opportunistic infections, lymphosarcoma, and other disorders. Abbreviation: FeLV, FLV.
- fermat's last theorem — the unproved theorem that the equation xn + yn = zn has no solution for x, y, z nonzero integers when n is greater than 2.
- ferric sodium oxalate — an emerald-green, crystalline, extremely water-soluble salt, used in photography and blueprinting.
- flip someone the bird — give someone the finger (see phrase under finger)
- flotation compartment — in a boat, an enclosed section filled with air or gas to give buoyancy
- fort lesley j. mcnair — a military reservation in SW Washington, D.C., on the Potomac River, SW of the Capitol.
- franco-belgian system — French system.
- frederick william iii — 1770–1840, king of Prussia 1797–1840.
- functional imperative — a requirement for the survival of any social system, as communication, control of conflict, or socialization.
- fundamental frequency — the lowest frequency at which a medium will freely oscillate.
- general of the armies — a special rank held by John J. Pershing, equivalent to general of the army.
- gentleman of the road — a highwayman.
- glen of imaal terrier — a strongly-built medium-sized variety of terrier with a medium-length coat and short forelegs
- grammatical inference — Deducing a grammar from given examples. Also known as "inductive inference" and recently as "computational learning".
- infant mortality rate — number of babies dying
- infectious ectromelia — ectromelia (def 2).
- infertility treatment — treatment aimed at helping a couple conceive
- information appliance — (hardware) (IA) A consumer device that performs only a few targeted tasks and is controlled by a simple touch-screen interface or push buttons on the device's enclosure.
- information retrieval — the systematic storage and recovery of data, as from a file, card catalog, or the memory bank of a computer. Abbreviation: IR.
- isolation transformer — An isolation transformer is a transformer with physically separate primary and secondary windings, that prevent it from transferring unwanted noise from the input circuit to the output windings.
- lady windermere's fan — a comedy (1892) by Oscar Wilde.
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