19-letter words containing a, r, i, e, l
- transuranic element — any element having an atomic number greater than 92, the atomic number of uranium. All such elements are radioactive and can be synthesized by bombarding a heavy element with a light particle or element. See also transactinide element.
- travelers' diarrhea — persistent and often severe diarrhea experienced by a traveler whose digestive system is unaccustomed to the bacteria in local food and water.
- traveling-wave tube — an electron tube used in microwave communications systems, having an electron beam directed coaxially through a wire helix to produce amplification.
- travelling expenses — expenses that are paid to someone, for example, by their employer, for the costs they need to travel
- travelling salesman — A travelling salesman is a salesman who travels to different places and meets people in order to sell goods or take orders.
- trentino-alto adige — a region in NE Italy. 870,238; 5256 sq. mi. (13.615 sq. km).
- triangle inequality — the theorem that the absolute value of the sum of two quantities is less than or equal to the sum of the absolute values of the quantities.
- triangulum australe — a small bright triangular constellation in the S hemisphere, lying between Ara and the Southern Cross, that contains an open star cluster
- tricalcium silicate — a component of cement, Ca 3 SiO 5 , also used in food to prevent caking.
- trickle bed reactor — A trickle bed reactor is a reactor in which gravity makes a gas and a liquid flow through a bed of catalyst.
- trifacial neuralgia — tic douloureux.
- tropical depression — an atmospheric low-pressure system originating in the tropics, specifically, a tropical cyclone in which the maximum sustained wind speed is 38 miles per hour (62 kilometers per hour) or less.
- tuamotu archipelago — a group of about 80 coral islands in the S Pacific, in French Polynesia. Pop: 15 973 (2002; including the Gambier Islands). Area: 860 sq km (332 sq miles)
- tubular steel chair — a chair with a frame made of tubular steel
- turn a blind eye to — to pretend not to notice or ignore deliberately
- tussock caterpillar — the larva of a tussock moth.
- typographical error — an error in printed or typewritten matter resulting from striking the improper key of a keyboard, from mechanical failure, or the like.
- ultracrepidarianism — noting or pertaining to a person who criticizes, judges, or gives advice outside the area of his or her expertise: The play provides a classic, simplistic portrayal of an ultracrepidarian mother-in-law.
- ultrahigh frequency — any frequency between 300 and 3000 megahertz. Abbreviation: UHF, uhf.
- ultramicrochemistry — the branch of microchemistry dealing with minute quantities of material weighing one microgram or less.
- ultrasonic cleaning — the use of ultrasound to vibrate a piece to be cleaned while the piece is immersed in a cleaning fluid. The process produces a very high degree of cleanliness, and is used for jewellery and ornately shaped items
- unclassified degree — a degree that has not been given a grade because it is of a low standard
- universal recipient — a person with blood type AB, able to receive blood from a person of any blood type but able to donate blood only to a person with the same blood type
- university hospital — a hospital that is affiliated with a university. University hospitals provide clinical education and training to future and current doctors, nurses, and other health professionals, in addition to delivering medical care to patients
- unnatural practices — acts which are deemed to be contrary to expected standards of human behaviour
- vaginal intercourse — intercourse involving insertion of the penis into the vagina
- verdigris toadstool — a basidiomycetous fungus, Stropharia aeruginosa, having a distinctive and unusual blue-green cap and paler shaggy stem
- vertical stabilizer — the fixed vertical surface of an aircraft empennage, to which the rudder is hinged.
- vesicular exanthema — an infectious viral disease of swine, characterized by blisters on the snout, mucous membranes, and feet.
- vicariate apostolic — a district under the jurisdiction of a vicar apostolic.
- victor emmanuel iii — 1869–1947, king of Italy 1900–46.
- virginia-rail-fence — snake fence.
- voltaic electricity — electric current; moving electric charges.
- volumetric analysis — determination of the concentration, by volume, of a substance in a solution, as by titration.
- wandering albatross — a large albatross, Diomedea exulans, of southern waters, having the plumage mostly white with dark markings on the upper parts.
- waterglass painting — stereochromy.
- whistle in the dark — to make a clear musical sound, a series of such sounds, or a high-pitched, warbling sound by the forcible expulsion of the breath through a small opening formed by contracting the lips, or through the teeth, with the aid of the tongue.
- white-collar worker — office employee, clerical worker
- wild bleeding-heart — a plant, Dicentra eximia, of the fumitory family, native to the eastern coast of the U.S., having elongated clusters of drooping, heart-shaped rose-colored or pink flowers.
- william shakespeare — William ("the Bard"; "the Bard of Avon") 1564–1616, English poet and dramatist.
- wireless local loop — (communications) (WLL, radio in the loop, RITL, fixed-radio access, FRA) Connecting subscribers to the public switched telephone network (PSTN) using radio signals instead of copper wires. The wireless link may be all or part of the connection between the subscriber and the switch. WLL includes cordless access systems, proprietary fixed radio access and fixed cellular systems.
- wireless telegraphy — Now Rare. radiotelegraphy.
- withdrawal syndrome — a spectrum of physical and behavioral symptoms following cessation from the continuous use of an addictive drug, the character and severity of the symptoms depending upon the particular drug and the daily dose.
- world heritage site — a natural or manmade area or structure which is recognized as being of international importance and therefore deserving special protection
- writing on the wall — writing done with a pen or pencil in the hand; script.
- xenon tetrafluoride — a colorless, crystalline compound, XeF 4 , prepared by heating a gaseous mixture of fluorine and xenon.
- xenotransplantation — xenograft.
- 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.
- zebra-tailed lizard — a lizard, Callisaurus draconoides, inhabiting sandy deserts of Mexico and the southwestern U.S., having a long tail marked with black bands.
- zenithal projection — a type of map projection in which part of the earth's surface is projected onto a plane tangential to it, either at one of the poles (polar zenithal), at the equator (equatorial zenithal), or between (oblique zenithal)