13-letter words containing py
- pyrocellulose — cordite.
- pyrolytically — in a pyrolytic manner
- pyrophosphate — a salt or ester of pyrophosphoric acid.
- pyrotechnical — of or relating to pyrotechnics.
- pythian games — (in ancient Greece) the second most important Panhellenic festival, celebrated in the third year of each Olympiad near Delphi. The four-year period between celebrations was known as a Pythiad (ˈpɪθɪˌæd )
- sclerotherapy — Medicine/Medical. a treatment for varicose veins in which blood flow is diverted and the veins collapsed by injection of a hardening solution, also used cosmetically in spider veins to eliminate discoloration.
- shirley poppy — a cultivated strain of the corn poppy, having variously colored single or double flowers.
- shock therapy — (not in technical use) any of various therapies, as insulin shock therapy or electroconvulsive therapy, that induce convulsions or unconsciousness, used for symptomatic relief in certain mental disorders.
- sigmoidoscopy — an examination by means of a sigmoidoscope.
- specimen copy — a copy of a document regarded as typical of that type of document
- speleotherapy — a form of treatment for asthma sufferers that takes place in clinics in disused mines, in which the air is free of pollen, dust mites, and the other irritants that provoke an allergic reaction; used to reduce the risk of heart disease
- spy satellite — an orbiting satellite used to carry out surveillance of an enemy country or military formations from space
- spy wednesday — (in Ireland) the Wednesday before Easter, named for Judas' becoming a spy for the Sanhedrin
- spying charge — an accusation of having taken part in espionage
- sulfapyridine — a sulfanilamide derivative, C 1 1 H 1 1 N 3 O 2 S, formerly used for infections caused by pneumococci, now used primarily for a particular dermatitis.
- thermotherapy — treatment of disease by means of moist or dry heat.
- trigger happy — ready to fire a gun at the least provocation, regardless of the situation or probable consequences: a trigger-happy hunter.
- trigger-happy — ready to fire a gun at the least provocation, regardless of the situation or probable consequences: a trigger-happy hunter.
- x-ray therapy — treatment of a disease using controlled quantities of x-rays.