15-letter words containing l, o, t, a, s
- troubled waters — a confused or chaotic state of affairs: The situation was terrible, but like many politicians he was attracted by troubled waters.
- tutorial system — a system of education, especially in some colleges, in which instruction is given personally by tutors, who also act as general advisers of a small group of students in their charge.
- twelve apostles — the twelve disciples chosen by Jesus to go forth to teach the gospel
- two-dimensional — having the dimensions of height and width only: a two-dimensional surface.
- two-star petrol — leaded petrol that has a low octane number; inferior leaded petrol
- ultra-modernist — very advanced in ideas, design, or techniques.
- ultra-religious — of, relating to, or concerned with religion: a religious holiday.
- ultrafastidious — extremely fastidious
- ultramicroscope — an instrument that uses scattering phenomena to detect the position of objects too small to be seen by an ordinary microscope.
- ultramicroscopy — the use of the ultramicroscope.
- ultrasonography — a diagnostic imaging technique utilizing reflected high-frequency sound waves to delineate, measure, or examine internal body structures or organs.
- ultrasound scan — sonograph examination
- unadventurously — in an unadventurous manner
- unapostolically — in an unapostalic manner
- uncomplaisantly — in an uncomplaisant manner
- unconsolidation — an act or instance of consolidating; the state of being consolidated; unification: consolidation of companies.
- unconstrainable — unable to be confined
- unconstrainedly — in an unconfined manner
- uncontrollables — incapable of being controlled or restrained: uncontrollable anger.
- uncontroversial — of, relating to, or characteristic of controversy, or prolonged public dispute, debate, or contention; polemical: a controversial book.
- uninstitutional — of, relating to, or established by institution.
- universal joint — piece that couples two rotating shafts
- universal motor — a series-wound motor, of one-half horsepower or less, using alternating or direct current.
- unsportsmanlike — a man who engages in sports, especially in some open-air sport, as hunting, fishing, racing, etc.
- vascularization — (of a tissue or embryo) to develop or extend blood vessels or other fluid-bearing vessels or ducts; become vascular.
- vector analysis — the branch of calculus that deals with vectors and processes involving vectors.
- velcro fastener — a fastener made of Velcro
- venetian school — any of various groups of artists identified with Venice throughout the history of Italian art but most notably the painters of the 18th century, as Giovanni Battista Tiepolo, Francesco Guardi, and Antonio Canaletto.
- vicar apostolic — Roman Catholic Church. a titular bishop serving either in a district where no episcopal see has been established, or in one where the succession of bishops has been interrupted.
- victoria island — an island off the coast of N Canada, in the Arctic Ocean. 80,340 sq. mi. (208,081 sq. km).
- violinistically — in a violinistic manner
- virtual storage — a system whereby addressable memory is extended beyond main storage through the use of secondary storage managed by system software in such a way that programs can treat all of the designated storage as addressable main storage.
- vitreous silica — silica glass
- volunteer state — Tennessee (used as a nickname).
- voyeuristically — of, relating to, or characteristic of a voyeur or of voyeurism.
- washington lily — a lily, Lilium washingtonianum, of the western coast of the U.S., having whorled leaves and fragrant, purple-spotted white flowers.
- washington palm — a palm tree, Washingtonia filifera, of California and Florida, having large fan-shaped leaves and small black fruits
- waterford glass — fine cut or gilded glass made in Waterford, Ireland, having a slight blue cast due to the presence of cobalt.
- well-accustomed — customary; usual; habitual: in their accustomed manner.
- wentworth scale — a scale for specifying the sizes (diameters) of sedimentary particles, ranging from clay particles (less than 1⁄256 mm) to boulders (over 256 mm)
- west carrollton — a town in W Ohio.
- west hartlepool — a former borough, now part of Hartlepool, in Cleveland County, in NE England, at the mouth of the Tees.
- whaling station — a place where the carcases of whales were processed
- winter holidays — a period of rest from work or studies taken in winter
- wolf-rayet star — a very hot (35,000–100,000 K) and luminous star in the early stages of evolution, with broad emission lines in its spectrum.
- wolverine state — Michigan (used as a nickname).
- wrongful arrest — the act of arresting someone without proper reason
- xenotransplants — Plural form of xenotransplant.
- yellow goatfish — a schooling goatfish, Mulloidichthys martinicus, inhabiting the Atlantic Ocean from Florida to Panama.
- yosemite valley — a glacial valley in Yosemite National Park in central California, in the Sierra Nevada Mountains. It has an altitude of about 1200 m (4000 ft), with sheer walls rising about another 1200 m (4000 ft).