19-letter words containing a, f, l
- traffic regulations — rules designed to expedite the flow of traffic and prevent collisions
- transformationalism — a person who follows or promotes the theories of transformational grammar.
- transformationalist — a person who follows or promotes the theories of transformational grammar.
- transitional relief — a form of tax relief, designed to smooth large changes in liability, which operates by restricting the proportion by which liability may change per year, both upwards and downwards
- translation of axes — the process of replacing the axes in a Cartesian coordinate system with a new set of axes, parallel to the first, used to write equations of curves not centered about the origin.
- trifacial neuralgia — tic douloureux.
- ultrahigh frequency — any frequency between 300 and 3000 megahertz. Abbreviation: UHF, uhf.
- unclassified degree — a degree that has not been given a grade because it is of a low standard
- unlawful possession — possession of substances or items (such as drugs or guns) for which criminal sanctions exist because they may not be legally possessed or may not be possessed under certain circumstances
- 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.
- virginia-rail-fence — snake fence.
- wage-push inflation — an inflationary trend caused by wage increases that in turn cause rises in production costs and prices.
- william howard taft — Helen Herron [her-uh n] /ˈhɛr ən/ (Show IPA), 1861–1943, U.S. First Lady 1909–13 (wife of William Howard Taft).
- world day of prayer — the first Friday in Lent, during which Christians belonging to ecumenical communions pray for foreign missions.
- wouldn't harm a fly — If you say that someone wouldn't hurt a fly or wouldn't harm a fly, you are emphasizing that they are very kind and gentle.
- 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.
- yellowtail kingfish — a large carangid game fish, Seriola grandis, of S Australian waters
- zone of illuviation — B horizon.