15-letter words containing p, r, e, f, n
- angle of repose — the maximum angle to the horizontal at which rocks, soil, etc, will remain without sliding
- bandpass filter — A bandpass filter is a filter designed to pass all frequencies within a band of frequencies.
- bandstop filter — A bandstop filter is a filter designed to eliminate all frequencies within a band of frequencies.
- be spoiling for — to have an aggressive desire for (a fight, etc)
- burden of proof — The burden of proof is the task of proving that you are correct, for example when you have accused someone of a crime.
- cape finisterre — a headland in NW Spain: the westernmost point of the Spanish mainland
- cape horn fever — illness feigned by malingerers.
- chief inspector — an officer of high rank in British police forces
- company officer — a captain or lieutenant serving in a company.
- compound flower — a flower head made up of many small flowers appearing as a single bloom, as in the daisy
- conference pear — a variety of pear that has sweet and juicy fruit
- corn-leaf aphid — a green aphid, Rhopalosiphum maidis, widely distributed in the U.S.: a pest of corn and other grasses.
- cpu info center — (processor) An old website at the University of California at Berkeley describing many different computers and their performance.
- creeping fescue — red fescue.
- defunct process — zombie process
- dessertspoonful — You can refer to an amount of food resting on a dessertspoon as a dessertspoonful of food.
- dna fingerprint — the use of a DNA probe for the identification of an individual, as for the matching of genes from a forensic sample with those of a criminal suspect.
- draw oneself up — to assume a straighter posture; stand or sit straight
- drink deep (of) — to take in a large amount (of) by or as by drinking
- existence proof — non-constructive proof
- express oneself — to communicate one's thoughts or ideas
- facile princeps — an obvious leader
- fair employment — the policy or practice of employing people on the basis of their capabilities only, without regard to race, color, religion, sex, national origin, age, or disability.
- false pregnancy — physiological signs of pregnancy without conception; pseudocyesis.
- false pretences — fraud, deception
- false pretenses — If you do something under false pretenses, you do it when people do not know the truth about you and your intentions.
- fencepost error — 1. (Rarely "lamp-post error") A problem with the discrete equivalent of a boundary condition, often exhibited in programs by iterative loops. From the following problem: "If you build a fence 100 feet long with posts 10 feet apart, how many posts do you need?" (Either 9 or 11 is a better answer than the obvious 10). For example, suppose you have a long list or array of items, and want to process items m through n; how many items are there? The obvious answer is n - m, but that is off by one; the right answer is n - m + 1. The "obvious" formula exhibits a fencepost error. See also zeroth and note that not all off-by-one errors are fencepost errors. The game of Musical Chairs involves a catastrophic off-by-one error where N people try to sit in N - 1 chairs, but it's not a fencepost error. Fencepost errors come from counting things rather than the spaces between them, or vice versa, or by neglecting to consider whether one should count one or both ends of a row. 2. (Rare) An error induced by unexpected regularities in input values, which can (for instance) completely thwart a theoretically efficient binary tree or hash coding implementation. The error here involves the difference between expected and worst case behaviours of an algorithm.
- fillister plane — an adjustable plane for cutting rabbets, grooves, etc
- finders keepers — whoever finds something has the right to keep it
- finger alphabet — a series of shapes made by the fingers that indicate letters of an alphabet and can be used in fingerspelling for the deaf
- finger painting — a jellylike paint, used chiefly by children in painting, usually with their fingers.
- finger spelling — a method of communicating with or among deaf people in which different shapes made with the fingers represent different letters of the alphabet
- finger-pointing — the imputation of blame or responsibility.
- fire department — the department of a municipal government charged with the prevention and extinguishing of fire.
- fire prevention — safety measures to decrease fire risk
- fire water pond — A fire water pond is an area of water which is kept so it can be used if there is a fire.
- first principle — any axiom, law, or abstraction assumed and regarded as representing the highest possible degree of generalization.
- first responder — a person who is certified to provide medical care in emergencies before more highly trained medical personnel arrive on the scene: a firefighter trained as a first responder.
- fissiparousness — The quality of being fissiparous.
- flapping router — (networking) A router that transmits routing updates alternately advertising a destination network first via one route, then via a different route. Flapping routers are identified on more advanced protocol analysers such as the Network General (TM) Sniffer.
- floral envelope — the calyx and corolla of a flower.
- flowering maple — any of various shrubs belonging to the genus Abutilon, of the mallow family, having large, bright-colored flowers.
- flowering plant — a plant that produces flowers, fruit, and seeds; angiosperm.
- food processing — transforming raw materials into food
- for the present — being, existing, or occurring at this time or now; current: increasing respect for the present ruler of the small country.
- for their pains — You say that something was all you got for your pains when you are mentioning the disappointing result of situation into which you put a lot of work or effort.
- fore-topgallant — being a sail, yard, or rigging belonging to a fore-topgallant mast.
- forensic expert — an expert in applying scientific, technical or medical knowledge to the purposes of law
- fourteen points — a statement of the war aims of the Allies, made by President Wilson on January 8, 1918.
- fourteen-points — a statement of the war aims of the Allies, made by President Wilson on January 8, 1918.
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