19-letter words containing s, h, y
- sodium hydrosulfite — a white, crystalline, water-soluble powder, Na 2 S 2 O 4 , used as a reducing agent, especially in dyeing, and as a bleach.
- sodium hypochlorite — a pale-green, crystalline compound, NaOCl, unstable in air, soluble in cold water, decomposes in hot water: used as a bleaching agent for paper and textiles, in water purification, in household use, and as a fungicide.
- solid-state physics — the branch of physics that deals with the macroscopic physical properties of matter, especially solids; the study of the electromagnetic, structural, and thermodynamic properties of solids.
- spherical astronomy — the branch of astronomy dealing with the determination of the positions of celestial bodies on the celestial sphere.
- st. anthony's cross — a T -shaped cross.
- steady state theory — a theory in which the universe is assumed to have average properties that are constant in space and time so that new matter must be continuously and spontaneously created to maintain average densities as the universe expands.
- steady-state theory — a cosmological theory postulating that the universe exists throughout time in a steady state such that the average density of matter does not vary with distance or time. Matter is continuously created in the space left by the receding stars and galaxies of the expanding universe
- strontium hydroxide — a white, slightly water-soluble powder, Sr(OH) 2 , or its crystalline octahydrate (strontium hydrate) used chiefly in the refining of beet sugar.
- sulfureted hydrogen — hydrogen sulfide.
- superhigh frequency — any frequency between 3000 and 30,000 megahertz. Abbreviation: SHF.
- sympathetic contact — behavior toward an individual based on the individual's personal makeup rather than on his or her group membership.
- symptomatic anthrax — blackleg.
- synchromesh gearbox — A synchromesh gearbox is a usually manually operated transmission in which a change of gears takes place between gears that are already revolving at the same speed.
- synchronous machine — an alternating-current machine in which the average speed of normal operation is exactly proportional to the frequency of the system to which it is connected.
- synthetic detergent — any synthetic substance, other than soap, that is an effective cleanser and functions equally well as a surface-active agent in hard or soft water.
- take sth personally — If you take someone's remarks personally, you are upset because you think that they are criticizing you in particular.
- tetramethyldiarsine — an oily slightly water-soluble poisonous liquid with garlic-like odour. Its derivatives are used as accelerators for rubber
- the eroica symphony — Symphony No. 3 in E flat major by Ludwig van Beethoven
- the london assembly — the devolved legislature of London, based in City Hall, Southwark
- the open university — (in Britain) a university founded in 1969 for mature students studying by television and radio lectures, correspondence courses, local counselling, and summer schools
- the rest is history — If you are telling someone about an event and say the rest is history, you mean that you do not need to tell them what happened next because everyone knows about it already.
- theoretical physics — abstract use of physics
- theory of equations — the branch of mathematics dealing with methods of finding the solutions to algebraic equations.
- to click your heels — If someone such as a soldier clicks their heels, they make a sound by knocking the heels of their shoes together when saluting or greeting someone.
- to wet your whistle — To wet your whistle means to have a drink.
- trumpet honeysuckle — an American honeysuckle, Lonicera sempervirens, having spikes of large, tubular flowers, deep-red outside and yellow within.
- ultramicrochemistry — the branch of microchemistry dealing with minute quantities of material weighing one microgram or less.
- 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.
- waste heat recovery — the use of heat that is produced in a thermodynamic cycle, as in a furnace, combustion engine, etc, in another process, such as heating feedwater or air
- 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
- what possessed you? — If you ask what possessed someone to do something, you are emphasizing your great surprise that they have done something which you consider foolish or dangerous.
- what's your poison? — what would you like to drink?
- whorfian hypothesis — Sapir-Whorf hypothesis.
- wireless telegraphy — Now Rare. radiotelegraphy.
- with flying colours — If you pass a test with flying colours, you have done very well in the test.
- with your eyes open — If you say that you did something with your eyes open or with your eyes wide open, you mean that you knew about the problems and difficulties that you were likely to have.
- 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.
- yellowtail kingfish — a large carangid game fish, Seriola grandis, of S Australian waters
- your hands are tied — If you say that your hands are tied, you mean that something is preventing you from acting in the way that you want to.