19-letter words containing l, a, s, y
- tetramethyldiarsine — an oily slightly water-soluble poisonous liquid with garlic-like odour. Its derivatives are used as accelerators for rubber
- the london assembly — the devolved legislature of London, based in City Hall, Southwark
- theoretical physics — abstract use of physics
- to blow a raspberry — If you blow a raspberry, you make a sound by putting your tongue out and blowing, in order to insult someone.
- to steer/stay clear — If you steer clear or stay clear of someone or something, you avoid them.
- ultramicrochemistry — the branch of microchemistry dealing with minute quantities of material weighing one microgram or less.
- unconstitutionality — not constitutional; unauthorized by or inconsistent with the constitution, as of a country.
- 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
- 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.
- very large database — (database) (VLDB) A database that can use a Very Large Memory model to keep as much data as possible in physical memory. (Oracle http://oracle.com/platforms/dec/collateral/vlmwp_3.html).
- visual display unit — video display terminal. Abbreviation: VDU.
- volumetric analysis — determination of the concentration, by volume, of a substance in a solution, as by titration.
- 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
- welsh mountain pony — a small sturdy but graceful breed of pony used mostly for riding, originally from Wales
- wesleyan methodists — a branch of the Methodist Church in its original form
- wireless telegraphy — Now Rare. radiotelegraphy.
- withdrawal symptoms — When someone has withdrawal symptoms, they feel ill after they have stopped taking a drug which they were addicted to.
- 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.
- yablonovy mountains — a mountain range in Siberia. Highest peak: 1680 m (5512 ft)
- yellowtail kingfish — a large carangid game fish, Seriola grandis, of S Australian waters