18-letter words containing a, s, i, g, n, m
- significant symbol — a verbal or nonverbal gesture, as a word or smile, that has acquired a conventionalized meaning.
- ski-mountaineering — a combination of the sports of skiing and mountaineering, for example by climbing up a mountain then skiing down it
- sleeping policeman — a bump built across roads, esp in housing estates, to deter motorists from speeding
- social bookmarking — the practice of saving bookmarked Web pages to a public website as a way to share the links with other Internet users: Social bookmarking is a tool that allows you to add tags and comments to your bookmarks.
- societal marketing — marketing that takes into account society's long-term welfare
- solemn (high) mass — a highly ceremonial Mass with parts of the text sung by the celebrant, with a deacon and subdeacon assisting at the ceremonies, and with choir singing and organ music
- something to spare — a surplus of something
- spackling compound — spackle
- specimen signature — a signature to be compared to an original signature in order to verify someone's identity
- standing committee — a permanent committee, as of a legislature, society, etc., intended to consider all matters pertaining to a designated subject.
- station management — (networking) (SMT) Station Management One of the 4 key FDDI component layers. SMT is an overlay function that handles the management of the FDDI ring. It handles neighbor identification, fault detection and reconfiguration, insertion and de-insertion from the ring, and traffic statistics monitoring.
- stinking chamomile — mayweed.
- stirling's formula — a relation that approximates the value of n factorial (n!), expressed as .
- strait of magellan — a strait between the mainland of S South America and Tierra del Fuego, linking the S Pacific with the S Atlantic. Length: 600 km (370 miles). Width: up to 32 km (20 miles)
- subliminal message — a message passed to the human mind without the mind being consciously aware of it, as, for example, in advertising
- submaxillary gland — submandibular gland.
- sugarloaf mountain — a mountain in SE Brazil in Rio de Janeiro, at the entrance to Guanabara Bay. 1280 feet (390 meters).
- summary proceeding — a mode of trial authorized by statute to be held before a judge without the usual full hearing.
- super giant slalom — a slalom race in which the course is longer and has more widely spaced gates than in a giant slalom.
- sustaining program — a radio or television program without a commercial sponsor.
- 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
- swedish gymnastics — a system of passive and active exercising of muscles and joints
- sympathetic string — a thin wire string, as in various obsolete musical instruments, designed to vibrate sympathetically with the bowed or plucked strings to reinforce the sound.
- system-programming — a program, as an operating system, compiler, or utility program, that controls some aspect of the operation of a computer (opposed to application program).
- the damage is done — If you say 'the damage is done', you mean that it is too late now to prevent the harmful effects of something that has already happened.
- the magnolia state — a nickname referring to Mississippi
- transmogrification — to change in appearance or form, especially strangely or grotesquely; transform.
- traveling salesman — a male representative of a business firm who travels in an assigned territory soliciting orders for a company's products or services.
- urban homesteading — homesteading (def 2).
- vosges (mountains) — mountain range in NE France, west of the Rhine: highest peak, c. 4,700 ft (1,433 m)
- wandering minstrel — travelling performer
- wrangell mountains — a mountain range in SE Alaska, extending into the Yukon, Canada. Highest peak: Mount Blackburn, 5037 m (16 523 ft)
- wrongful dismissal — the act of making someone redundant for reasons which are illegal or unjust