18-letter words containing o, u, t, a, g
- shunting operation — an operation in which rail coaches are manoeuvred
- ski-mountaineering — a combination of the sports of skiing and mountaineering, for example by climbing up a mountain then skiing down it
- soft touch sealing — Soft touch sealing is a copolymer seal for a tank, with characteristics designed for softness, used instead of a metal seal to help avoid fire when sparks are generated.
- solid-fuel heating — heating that uses solid fuel, such as coal or coke
- sound spectrograph — an electronic device for recording a sound spectogram.
- spaghetti junction — an interchange, usually between motorways, in which there are a large number of underpasses and overpasses and intersecting roads used by a large volume of high-speed traffic
- stand one's ground — the solid surface of the earth; firm or dry land: to fall to the ground.
- stirling's formula — a relation that approximates the value of n factorial (n!), expressed as .
- 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).
- sugarloaf mountain — a mountain in SE Brazil in Rio de Janeiro, at the entrance to Guanabara Bay. 1280 feet (390 meters).
- super giant slalom — a slalom race in which the course is longer and has more widely spaced gates than in a giant slalom.
- supporting actress — an actress playing a supporting role
- supraorbital ridge — browridge.
- sustaining program — a radio or television program without a commercial sponsor.
- theodore gericault — (Jean Louis André) Théodore [zhahn lwee ahn-drey tey-aw-dawr] /ʒɑ̃ lwi ɑ̃ˈdreɪ teɪ ɔˈdɔr/ (Show IPA), 1791–1824, French painter.
- there you go again — Phrases such as there you go again are used to show annoyance at someone who is repeating something that has annoyed you in the past.
- to be above ground — to be alive
- to be caught short — If you are caught short or are taken short, you feel a sudden strong need to urinate, especially when you cannot easily find a toilet.
- to plough a furrow — If you say that someone ploughs a particular furrow or ploughs their own furrow, you mean that their activities or interests are different or isolated from those of other people.
- to take the plunge — If you take the plunge, you decide to do something that you consider difficult or risky.
- touch-in-goal line — either of the two touchlines at each end of the field between the goal line and the dead-ball line.
- two-minute warning — a time-out called by an official to notify both teams that two minutes remain in a half.
- 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
- under the aegis of — guided or protected by
- under-registration — the act of registering.
- unit magnetic pole — the unit of magnetic pole strength equal to the strength of a magnetic pole that repels a similar pole with a force of one dyne, the two poles being placed in a vacuum and separated by a distance of one centimeter.
- urban homesteading — homesteading (def 2).
- veterinary surgeon — Chiefly British. a veterinarian.
- vosges (mountains) — mountain range in NE France, west of the Rhine: highest peak, c. 4,700 ft (1,433 m)
- westinghouse brake — a railroad air brake operated by compressed air.
- without obligation — In advertisements, if a product or a service is available without obligation, you do not have to pay for that product or service until you have tried it and are satisfied with it.
- work-study program — a program enabling high-school or college students to combine academic work with actual job experience.
- wrangell mountains — a mountain range in SE Alaska, extending into the Yukon, Canada. Highest peak: Mount Blackburn, 5037 m (16 523 ft)
- young conservative — a member of the youth section of the United Kingdom Conservative Party