18-letter words containing t, u, r, f, l

multiflow computer — (company) A now-defunct computer company, best known for its work in Very Long Instruction Word processors. Address: New Haven, Conn. USA.
neural tube defect — any of a group of congenital abnormalities involving the brain and spinal cord, including spina bifida and meningocele, caused by failure of the neural tube to close properly during embryonic development.
no-fault insurance — Also called no-fault insurance. a form of automobile insurance designed to enable the policyholder in case of an accident to collect a certain basic compensation promptly for economic loss from his or her own insurance company without determination of liability.
nursery facilities — places where young children are looked after
order of australia — an order awarded to Australians for outstanding achievement or for service to Australia or to humanity at large; established in 1975
out of circulation — If someone is out of circulation, they do not appear in public or at social gatherings for a period of time. You can also say that someone is out of circulation when they are in prison.
particulate filter — A particulate filter is a filter to remove particles that are present the air, for example in the exhaust of a diesel engine.
perceptual defence — the process by which it is thought that certain stimuli are either not perceived or are distorted due to their offensive, unpleasant, or threatening nature
population figures — population totals; statistics relating to the size of populations
potassium fluoride — a white, crystalline, hygroscopic, toxic powder, KF, used chiefly as an insecticide, a disinfectant, and in etching glass.
presumption of law — a presumption based upon a policy of law or a general rule and not upon the facts or evidence in an individual case.
product life cycle — the four stages (introduction, growth, maturity, and decline) into one of which the sales of a product fall during its market life
provably difficult — The set or property of problems for which it can be proven that no polynomial-time algorithm exists, only exponential-time algorithms.
purple loosestrife — an Old World plant, Lythrum salicaria, of the loosestrife family, widely naturalized in North America, growing in wet places and having spikes of reddish-purple flowers.
quality of service — (communications, networking) (QoS) The performance properties of a network service, possibly including throughput, transit delay, priority. Some protocols allow packets or streams to include QoS requirements.
quarry-tiled floor — a floor covered with square or diamond-shaped unglazed floor tiles
quarterlife crisis — a crisis that may be experienced in one's twenties, involving anxiety over the direction and quality of one's life
relative frequency — the ratio of the number of times an event occurs to the number of occasions on which it might occur in the same period.
return to the fold — come back home
return-flue boiler — a fire-tube boiler having flues that collect the combustion gases at the end of the boiler opposite the fire door and pass them through the boiler to an uptake above the fire door.
rule of engagement — a directive issued by a military authority controlling the use and degree of force, especially specifying circumstances and limitations for engaging in combat.
safety regulations — regulations or rules that are put in place to ensure a product, event, etc, is safe and not dangerous
salt of phosphorus — a colorless, odorless, crystalline, water-soluble solid, NaNH 4 HPO 4 ⋅4H 2 O, originally obtained from human urine: used as a blowpipe flux in testing metallic oxides.
selenium rectifier — a rectifier consisting of laminated plates of metal, usually iron, that have been coated with selenium on one side, with rectification taking place because the flow of electrons from the conductive metal to the selenium occurs more readily than the flow in the opposite direction.
self-instructional — pertaining to or constituting learning materials and conditions arranged so that students can proceed to learn on their own with little or no supervision.
self-preoccupation — the state of being preoccupied.
self-understanding — mental process of a person who comprehends; comprehension; personal interpretation: My understanding of the word does not agree with yours.
soldier of fortune — a person who independently seeks pleasure, wealth, etc., through adventurous exploits.
spectrofluorimeter — an instrument in which the spectrum of secondarily emitted fluorescent light is used to identify chemical compounds.
spectrofluorometer — an instrument in which the spectrum of secondarily emitted fluorescent light is used to identify chemical compounds.
standoff insulator — a type of insulator that supports an electrical conductor at a distance from other elements or surfaces.
stirling's formula — a relation that approximates the value of n factorial (n!), expressed as .
structural formula — a chemical formula showing the linkage of the atoms in a molecule diagrammatically, as H–O–H.
sugarloaf mountain — a mountain in SE Brazil in Rio de Janeiro, at the entrance to Guanabara Bay. 1280 feet (390 meters).
the fourth of july — a holiday in the United States, traditionally celebrated with fireworks: the day of the adoption of the Declaration of Independence in 1776
the full treatment — If you say that someone is given the full treatment, you mean either that they are treated extremely well or that they are treated extremely severely.
theater of cruelty — a form of surrealist theater originated by Antonin Artaud and emphasizing the cruelty of human existence by portraying sadistic acts and intense suffering.
theatre of cruelty — a type of theatre advocated by Antonin Artaud in Le Théâtre et son double that seeks to communicate to its audience a sense of pain, suffering, and evil, using gesture, movement, sound, and symbolism rather than language
to play favourites — to display favouritism
to plough a furrow — If you say that someone ploughs a particular furrow or ploughs their own furrow, you mean that their activities or interests are different or isolated from those of other people.
tufted loosestrife — a primulaceous plant Naumburgia thyrsiflora
turn in on oneself — to withdraw or cause to withdraw from contact with others and become preoccupied with one's own problems
ultralow frequency — an electromagnetic wave with a frequency between 300 and 3000 hertz. Abbreviation: ULF, ulf.
ultraviolet filter — a filter used on a lens to absorb ultraviolet radiation that may impart an undesirable blue cast to a photograph.
university faculty — a division within a university comprising one subject area, or a number of related subject areas
ur of the chaldees — the city where Abraham was born, sometimes identified with the Sumerian city of Ur. Gen. 11:28, 31; 15:7; Neh. 9:7.
uriniferous tubule — a urine-bearing tubule in a nephron of a kidney.
where you left off — If something continues from where it left off, it starts happening again at the point where it had previously stopped.
wildlife sanctuary — an area where wild animals and plants are protected

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