19-letter words containing f, i, t, u
- juan de fuca strait — strait between Vancouver Island and NW Wash.: c. 100 mi (161 km) long
- knights of columbus — an international fraternal and benevolent organization of Roman Catholic men, founded in New Haven, Connecticut, in 1882.
- lagrangian function — kinetic potential.
- land of opportunity — Arkansas (used as a nickname).
- landrum-griffin act — an act of Congress (1959) outlawing secondary boycotts, requiring public disclosure of the financial records of unions, and guaranteeing the use of secret ballots in union voting.
- left-luggage office — a checkroom for baggage.
- life-support system — A life-support system is the same as a life-support machine.
- lift the curtain on — to begin
- lift up one's voice — to speak out loudly
- limit of resolution — the capacity of an optical system to resolve point objects as separate images.
- lose in the shuffle — to leave out or disregard in the confusion of things
- malice aforethought — a predetermination to commit an unlawful act without just cause or provocation (applied chiefly to cases of first-degree murder).
- manufacturing plant — factory
- means of production — resources: equipment, workers
- membership function — fuzzy subset
- mid-autumn festival — a Chinese festival that is held to celebrate the end of the summer harvest, when the crops have been gathered.
- missing fundamental — a tone, not present in the sound received by the ear, whose pitch is that of the difference between the two tones that are sounded
- modulus of rigidity — shear modulus.
- neats vs. scruffies — (artificial intelligence, jargon) The label used to refer to one of the continuing holy wars in artificial intelligence research. This conflict tangles together two separate issues. One is the relationship between human reasoning and AI; "neats" tend to try to build systems that "reason" in some way identifiably similar to the way humans report themselves as doing, while "scruffies" profess not to care whether an algorithm resembles human reasoning in the least as long as it works. More importantly, neats tend to believe that logic is king, while scruffies favour looser, more ad-hoc methods driven by empirical knowledge. To a neat, scruffy methods appear promiscuous, successful only by accident and not productive of insights about how intelligence actually works; to a scruffy, neat methods appear to be hung up on formalism and irrelevant to the hard-to-capture "common sense" of living intelligences.
- negation by failure — An extralogical feature of Prolog and other logic programming languages in which failure of unification is treated as establishing the negation of a relation. For example, if Ronald Reagan is not in our database and we asked if he was an American, Prolog would answer "no".
- nonforfeiture value — any benefit, as cash or other form of insurance, available to a life-insurance policyholder who discontinues premium payments on the policy.
- oriental fruit moth — a moth, Grapholitha molesta, introduced into the U.S. from Asia, the larvae of which infest and feed on the twigs and fruits of peach, plum, and related trees.
- out of the ordinary — of no special quality or interest; commonplace; unexceptional: One novel is brilliant, the other is decidedly ordinary; an ordinary person.
- out of the question — a sentence in an interrogative form, addressed to someone in order to get information in reply.
- persian gulf states — group of Arab sheikdoms along the Persian Gulf: Kuwait, Bahrain, Qatar, & United Arab Emirates
- phacoemulsification — the removal of a cataract by first liquefying the affected lens with ultrasonic vibrations and then extracting it by suction.
- phakoemulsification — the removal of a cataract by first liquefying the affected lens with ultrasonic vibrations and then extracting it by suction.
- potassium bisulfate — a colorless, crystalline, water-soluble solid, KHSO 4 , used chiefly in the conversion of tartrates to bitartrates.
- presumption of fact — a presumption based on experience or knowledge of the relationship between a known fact and a fact inferred from it.
- production platform — offshore power station
- profitability study — a study of how much profit a company, organization, etc, makes or how profitable it is
- put a figure on sth — When you put a figure on an amount, you say exactly how much it is.
- put one's finger on — any of the terminal members of the hand, especially one other than the thumb.
- put your foot in it — If someone puts their foot in it or puts their foot in their mouth, they accidentally do or say something which embarrasses or offends people.
- radioactive fallout — the settling to the ground of airborne particles ejected into the atmosphere from the earth by explosions, eruptions, forest fires, etc., especially such settling from nuclear explosions (radioactive fallout) Compare rainout.
- radius of curvature — the absolute value of the reciprocal of the curvature at a point on a curve.
- reciprocity failure — a failure of the two exposure variables, light intensity and exposure time, to behave in a reciprocal fashion at very high or very low values
- reflux oesophagitis — inflammation of the gullet caused by regurgitation of stomach acids, producing heartburn: may be associated with a hiatus hernia
- republic of letters — the collective body of literary people.
- republic of vietnam — the name (from 1955–75) for South Vietnam, as an independent republic, following the division of the country in 1954 into North Vietnam and South Vietnam
- respiratory failure — a condition in which the respiratory system is unable to provide an adequate supply of oxygen or to remove carbon dioxide efficiently
- reticular formation — a network of neurons in the brainstem involved in consciousness, regulation of breathing, the transmission of sensory stimuli to higher brain centers, and the constantly shifting muscular activity that supports the body against gravity.
- right-eyed flounder — any of several flatfishes of the family Pleuronectidae, having both eyes on the right side of the head.
- sea of tranquillity — Astronomy. Mare Tranquillitatis.
- self-congratulating — the expression or feeling of uncritical satisfaction with oneself or one's own accomplishment, good fortune, etc.; complacency.
- self-congratulation — the expression or feeling of uncritical satisfaction with oneself or one's own accomplishment, good fortune, etc.; complacency.
- self-reconstruction — an act of reconstructing.
- seminiferous tubule — any of the coiled tubules of the testis in which spermatozoa are produced.
- sentential function — an expression that contains one or more variables and becomes meaningful when suitable constant terms are substituted for them.
- significant figures — the figures of a number that express a magnitude to a specified degree of accuracy, rounding up or down the final figure