15-letter words containing a, l, f, r
- the rule of law — the principle that no one is above the law and that everyone must follow the law
- theatrical film — a film made for exhibition in theaters, as distinguished from one made for television.
- to grab hold of — Hold is used in expressions such as grab hold of, catch hold of, and get hold of, to indicate that you close your hand tightly around something, for example to stop something moving or falling.
- track and field — athletics events
- track-and-field — of, relating to, or participating in the sports of running, pole-vaulting, broad-jumping, etc.: a track-and-field athlete.
- traffic calming — Traffic calming consists of measures designed to make roads safer, for example making them narrower or placing obstacles in them, so that drivers are forced to slow down.
- traffic control — management of road use
- transfer lounge — the place in an airport where you wait for a transfer from one flight to another
- transferability — to convey or remove from one place, person, etc., to another: He transferred the package from one hand to the other.
- transform fault — a strike-slip fault that offsets a mid-ocean ridge in opposing directions on either side of an axis of seafloor spreading.
- tray classifier — A tray classifier is a tank for leaching from a dispersed solid, in which pulp at the bottom of the tank is raked (= moved to the exit) while solvent is forced toward the bottom of the tank.
- trifluoperazine — a compound, C 21 H 24 F 3 N 3 S, used as an antipsychotic.
- true-false test — a test requiring one to mark statements as true or false.
- ultracentrifuge — a high-speed centrifuge for subjecting sols or solutions to forces many times that of gravity and producing concentration differences depending on the weight of the micelle or molecule.
- ultrafastidious — extremely fastidious
- ultrafiltration — Physical Chemistry. a filter for purifying sols, having a membrane with pores sufficiently small to prevent the passage of the suspended particles.
- ultramicrofiche — ultrafiche.
- unaffordability — that can be afforded; believed to be within one's financial means: attractive new cars at affordable prices.
- unfamiliarities — not familiar; not acquainted with or conversant about: to be unfamiliar with a subject.
- uninformatively — in an uninformative manner
- unverifiability — the quality or state of being unverifiable
- valerian family — the plant family Valerianaceae, characterized by herbaceous plants and shrubs having simple or compound, opposite leaves, clusters of small flowers, and dry, indehiscent fruit, and including corn salad, spikenard (Nardostachys jatamansi), and valerian.
- velcro fastener — a fastener made of Velcro
- venus's-flytrap — a carnivorous plant, Dionaea muscipula, native to bogs of North and South Carolina, having roundish leaves with two lobes that close like a trap when certain delicate hairs on them are irritated, as by a fly: the range is now reduced, though the plants are still locally abundant.
- viral infection — disease caused by a virus
- vulgar fraction — common fraction.
- wager of battle — (in medieval Britain) a pledge to do battle for a cause, esp to decide guilt or innocence by single combat
- walk-in traffic — The walk-in traffic of a store is the number of people who choose to visit it as they pass by.
- waterfall model — (programming) A software life-cycle or product life-cycle model, described by W. W. Royce in 1970, in which development is supposed to proceed linearly through the phases of requirements analysis, design, implementation, testing (validation), integration and maintenance. The Waterfall Model is considered old-fashioned or simplistic by proponents of object-oriented design which often uses the spiral model instead. Earlier phases are sometimes called "upstream" and later ones "downstream". Compare: iterative model.
- waterford glass — fine cut or gilded glass made in Waterford, Ireland, having a slight blue cast due to the presence of cobalt.
- welfare officer — a person who gives people help and advice
- welfare statism — the belief in or practices of a welfare state.
- well-formulated — to express in precise form; state definitely or systematically: He finds it extremely difficult to formulate his new theory.
- windfall profit — a profit that arises thanks to an external event over which the person profiting had no control
- wolf-rayet star — a very hot (35,000–100,000 K) and luminous star in the early stages of evolution, with broad emission lines in its spectrum.
- wrongful arrest — the act of arresting someone without proper reason