18-letter words containing s, a, c, r, l, g
- spherical triangle — a triangle formed by arcs of great circles of a sphere.
- strathclyde region — a former local government region in W Scotland: formed in 1975 from Glasgow, Renfrewshire, Lanarkshire, Buteshire, Dunbartonshire, and parts of Argyllshire, Ayrshire, and Stirlingshire; replaced in 1996 by the council areas of Glasgow, Renfrewshire, East Renfrewshire, Inverclyde, North Lanarkshire, South Lanarkshire, Argyll and Bute, East Dunbartonshire, West Dunbartonshire, North Ayrshire, South Ayrshire, and East Ayrshire
- structural geology — the branch of geology dealing with the structure and distribution of the rocks that make up the crust of the earth. Also called tectonics. Compare structure (def 7a).
- superciliary ridge — browridge.
- surgical appliance — a specialized device used by somebody to relieve a particular medical condition
- swarm intelligence — the collective behaviour of a group of animals, esp social insects such as ants, bees, and termites, that are each following very basic rules
- technical sergeant — a noncommissioned officer ranking below a master sergeant and above a staff sergeant.
- the class struggle — the continual conflict between the capitalist and working classes for economic and political power
- to scrape a living — If you say that someone scrapes a living or scratches a living, you mean that they manage to earn enough to live on, but it is very difficult. In American English, you say they scrape out a living or scratch out a living.
- transcendental ego — (in Kantian epistemology) that part of the self that is the subject and never the object.
- translation agency — an organization that provide people to translate speech or writing into a different language
- triangle of forces — a triangle whose sides represent the magnitudes and directions of three forces whose resultant is zero and which are therefore in equilibrium
- 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
- universal coupling — a coupling between rotating shafts set at an angle to one another, allowing for rotation in three planes.
- wheelchair housing — housing designed or adapted for a chairbound person