19-letter words containing a, l, g, i
- 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)
- typographical error — an error in printed or typewritten matter resulting from striking the improper key of a keyboard, from mechanical failure, or the like.
- ultrahigh frequency — any frequency between 300 and 3000 megahertz. Abbreviation: UHF, uhf.
- 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
- up against the wall — any of various permanent upright constructions having a length much greater than the thickness and presenting a continuous surface except where pierced by doors, windows, etc.: used for shelter, protection, or privacy, or to subdivide interior space, to support floors, roofs, or the like, to retain earth, to fence in an area, etc.
- vaginal intercourse — intercourse involving insertion of the penis into the vagina
- valley of the kings — a valley on the west bank of the Nile near the site of Thebes: the necropolis of many of the kings and queens of the 18th and 19th dynasties of ancient Egypt, c1350–c1200 b.c.
- verdigris toadstool — a basidiomycetous fungus, Stropharia aeruginosa, having a distinctive and unusual blue-green cap and paler shaggy stem
- vigilance committee — an unauthorized committee of citizens organized for the maintenance of order and the summary punishment of crime in the absence of regular or efficient courts.
- virginia-rail-fence — snake fence.
- vocational guidance — the process of assisting a student to choose, prepare for, and enter an occupation for which he or she shows aptitude.
- vulvovaginal glands — the small gland on either side of the lower part of the vagina
- wade-giles (system) — a system for transliterating Chinese ideograms into the Latin alphabet, in wide use esp. before Pinyin was adopted by the People's Republic of China in 1979
- wage-push inflation — an inflationary trend caused by wage increases that in turn cause rises in production costs and prices.
- 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.
- wide-angle glaucoma — open-angle glaucoma. See under glaucoma.
- 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.
- wireless telegraphy — Now Rare. radiotelegraphy.
- 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.
- yellowtail kingfish — a large carangid game fish, Seriola grandis, of S Australian waters