15-letter words containing p, a, s, l
- topgallant sail — a sail or either of two sails set on the yard or yards of a topgallant mast.
- transplantation — to remove (a plant) from one place and plant it in another.
- tricuspid valve — the valve, consisting of three triangular flaps of tissue between the right auricle and ventricle of the heart, that keeps blood from flowing back into the auricle.
- trivial pursuit — a board game that is based the ability to answer questions on popular culture and general knowledge
- turk's-cap lily — either of two lilies, Lilum martagon or L. superbum, having nodding flowers with the perianth segments rolled backward.
- twelve apostles — the twelve disciples chosen by Jesus to go forth to teach the gospel
- two-star petrol — leaded petrol that has a low octane number; inferior leaded petrol
- u-shaped valley — a steep-sided valley caused by glacial erosion
- 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.
- unapostolically — in an unapostalic manner
- unapprehensible — not able to be understood or comprehended
- uncomplaisantly — in an uncomplaisant manner
- uncompromisable — that cannot or should not be compromised
- undisciplinable — unable to be disciplined or controlled
- unpeaceableness — the quality or state of being unpeaceable; quarrelsomeness
- unphilosophical — not adhering to philosophical theory or principles
- unsportsmanlike — a man who engages in sports, especially in some open-air sport, as hunting, fishing, racing, etc.
- upper peninsula — a peninsula in the northern US between Lakes Superior and Michigan, constituting the N part of the state of Michigan
- upperclasswoman — An upperclasswoman is a junior or senior student in a high school, college, or university.
- vegetable sheep — any of various species of the genus Raoulia, esp R. mammillaris or R. eximia, of New Zealand rocky mountains: a small low bush having white flowers and hairy leaves which, from a distance, make it look like a sheep
- venus's-flytrap — a carnivorous plant, Dionaea muscipula, native to bogs of North and South Carolina, having roundish leaves with two lobes that close like a trap when certain delicate hairs on them are irritated, as by a fly: the range is now reduced, though the plants are still locally abundant.
- 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.
- wallpaper music — music that is pleasant but not interesting, so people do not pay much attention to it
- wallpaper paste — an adhesive used for attaching wallpaper to a surface
- walpurgis night — (especially in medieval German folklore) the evening preceding the feast day of St. Walpurgis, when witches congregated, especially on the Brocken.
- washing-up bowl — plastic bowl used for washing dishes
- washington palm — a palm tree, Washingtonia filifera, of California and Florida, having large fan-shaped leaves and small black fruits
- west hartlepool — a former borough, now part of Hartlepool, in Cleveland County, in NE England, at the mouth of the Tees.
- west palm beach — a city in SE Florida: winter resort.
- westphalian ham — a hard German ham with a distinctive flavor derived from being smoked over beechwood and juniper.
- whiplash injury — the lash of a whip.
- winter purslane — a plant, Montia perfoliata, native to western North America, of the purslane family, having edible, egg-shaped leaves and clusters of small, white flowers.
- withdrawal slip — a small paper form which has to be filled in before making a withdrawal of money from a bank, building society, etc
- xenotransplants — Plural form of xenotransplant.
- yorke peninsula — a peninsula in S Australia between Spencer Gulf and the Gulf of St. Vincent. 160 miles (257 km) long and 20–35 miles (32–56 km) wide.
- zygophyllaceous — belonging to the Zygophyllaceae, the caltrop family of plants.