17-letter words containing s, h, e, n, y
- sydenham's chorea — a form of chorea affecting children, often associated with rheumatic fever
- synchronous speed — the speed at which an alternating-current machine must operate to generate electromotive force at a given frequency.
- synthetic biology — the application of computer science techniques to create artificial biological systems
- synthetic phonics — a method of teaching people to read by training them to pronounce sounds associated with particular letters in isolation and then blend them together
- the pennsylvanian — the Pennsylvanian period or rock system, equivalent to the Upper Carboniferous of Europe
- theory of numbers — number theory.
- thyestean banquet — a banquet at which human flesh is served
- try one's hand at — to attempt (to do something), esp. for the first time
- twenty-four hours — the time taken by the Earth to make a complete rotation on its axis; a whole day
- unsympathetically — in a manner that is not characterized by feeling or showing sympathy
- verkhoyansk range — a mountain range in the Sakha Republic, in E Siberia, Russia. About 600 miles (970 km) long.
- voice synthesizer — a computer system that is used to artificially produce the human voice
- whiskey rebellion — a revolt of settlers in western Pennsylvania in 1794 against a federal excise tax on whiskey: suppressed by militia called out by President George Washington to establish the authority of the federal government.
- woolly rhinoceros — an extinct rhinoceros; Coelodonta antiquitatis
- yorkshire pudding — a pudding made of an unsweetened batter of flour, salt, eggs, and milk, baked under meat as it roasts to catch the drippings or baked separately with a small amount of meat drippings.