18-letter words containing r, e, c, l, u, s
- study hall teacher — a teacher who supervises or helps students during a period of time or lesson used for studying
- subatomic particle — physics:
- subordinate clause — a clause that modifies the principal clause or some part of it or that serves a noun function in the principal clause, as when she arrived in the sentence I was there when she arrived or that she has arrived in the sentence I doubt that she has arrived.
- sulfuric anhydride — sulfur trioxide.
- super royal octavo — a book size, 63⁄4 by 101⁄4 inches
- superciliary ridge — browridge.
- surgical appliance — a specialized device used by somebody to relieve a particular medical condition
- survival mechanism — something you or your body does automatically, in order to survive in a dangerous or unpleasant situation
- the class struggle — the continual conflict between the capitalist and working classes for economic and political power
- thermoluminescence — phosphorescence produced by the heating of a substance.
- to close your mind — If you close your mind to something, you deliberately do not think about it or pay attention to it.
- to cool your heels — If you are cooling your heels, someone is deliberately keeping you waiting, so that you get bored or impatient.
- traveller's cheque — Traveller's cheques are cheques that you buy at a bank and take with you when you travel, for example so that you can exchange them for the currency of the country that you are in.
- two-colour process — (in early colour photography) a method of printing which uses superimposed red and green images
- ulcerative colitis — chronic ulceration in the large intestine, characterized by painful abdominal cramps and profuse diarrhea containing pus, blood, and mucus.
- ultrasonic testing — the scanning of material with an ultrasonic beam, during which reflections from faults in the material can be detected: a powerful nondestructive test method
- ultrasonic welding — the use of high-energy vibration of ultrasonic frequency to produce a weld between two components which are held in close contact
- ultrasound scanner — a device used to examine an internal bodily structure by the use of ultrasonic waves, esp for the diagnosis of abnormality in a fetus
- universal coupling — a coupling between rotating shafts set at an angle to one another, allowing for rotation in three planes.
- university faculty — a division within a university comprising one subject area, or a number of related subject areas
- upper middle class — wealthy, highly-educated people
- ur of the chaldees — the city where Abraham was born, sometimes identified with the Sumerian city of Ur. Gen. 11:28, 31; 15:7; Neh. 9:7.
- venture capitalist — funds invested or available for investment in a new or unproven business enterprise.
- video surveillance — a system of monitoring activity in an area or building using a television system in which signals are transmitted from a television camera to the receivers by cables or telephone links forming a closed circuit
- wheelchair housing — housing designed or adapted for a chairbound person
- wildlife sanctuary — an area where wild animals and plants are protected
- working men's club — A working men's club is a place where working people, especially men, can go to relax, drink alcoholic drinks, and sometimes watch live entertainment.