19-letter words containing f, l, u, t, e, r
- left-luggage locker — a coin-operated locker in which luggage can be left
- life-support system — A life-support system is the same as a life-support machine.
- lift the curtain on — to begin
- limit of resolution — the capacity of an optical system to resolve point objects as separate images.
- malice aforethought — a predetermination to commit an unlawful act without just cause or provocation (applied chiefly to cases of first-degree murder).
- 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.
- not for much longer — if something will not happen for much longer, it will soon stop happening
- 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.
- persian gulf states — group of Arab sheikdoms along the Persian Gulf: Kuwait, Bahrain, Qatar, & United Arab Emirates
- 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.
- 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-congratulatory — 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.
- sodium hydrosulfite — a white, crystalline, water-soluble powder, Na 2 S 2 O 4 , used as a reducing agent, especially in dyeing, and as a bleach.
- soft-shelled turtle — any of numerous aquatic turtles of the family Trionychidae, inhabiting North America, Asia, and Africa, having the shell covered with flexible, leathery skin instead of horny plates.
- solid of revolution — a three-dimensional figure formed by revolving a plane area about a given axis.
- specular reflection — Specular reflection is reflection of heat or light in which the angles of different parts of the surface are important.
- sulfureted hydrogen — hydrogen sulfide.
- supercritical fluid — A supercritical fluid is a fluid at a temperature and pressure at which there is no difference between liquid and gas.
- term life insurance — life insurance for which premiums are paid over a limited time and that covers a specific term, the face value payable only if death occurs within that term.
- tetrafluoroethylene — a colorless, water-insoluble, flammable gas, C 2 F 4 , used in the synthesis of certain polymeric resins, as Teflon.
- to come full circle — If you say that you have come full circle or have turned full circle, you mean that after a long series of events or changes the same situation that you started with still exists.
- to follow your nose — If you follow your nose to get to a place, you go straight ahead or follow the most obvious route.
- to keep to yourself — If you keep to yourself, you stay on your own most of the time and do not mix socially with other people.
- traffic regulations — rules designed to expedite the flow of traffic and prevent collisions
- trifacial neuralgia — tic douloureux.
- trouble someone for — to ask someone to pass, hand, give, etc. (something) to one
- ultrahigh frequency — any frequency between 300 and 3000 megahertz. Abbreviation: UHF, uhf.
- under the influence — the capacity or power of persons or things to be a compelling force on or produce effects on the actions, behavior, opinions, etc., of others: He used family influence to get the contract.
- xenon tetrafluoride — a colorless, crystalline compound, XeF 4 , prepared by heating a gaseous mixture of fluorine and xenon.
- yellowtail flounder — a righteyed flounder, Limanda ferruginea, inhabiting waters along the Atlantic coast of North America, having a yellowish tail fin and rusty-red spots on the body: once commercially important, now greatly reduced in number.