18-letter words containing c, m, g, a
- specimen signature — a signature to be compared to an original signature in order to verify someone's identity
- spherical geometry — the branch of geometry that deals with figures on spherical surfaces.
- standing committee — a permanent committee, as of a legislature, society, etc., intended to consider all matters pertaining to a designated subject.
- state of emergency — If a government or other authority declares a state of emergency in an area, it introduces special measures such as increased powers for the police or army, usually because of civil disorder or because of a natural disaster such as an earthquake.
- stinking chamomile — mayweed.
- summary proceeding — a mode of trial authorized by statute to be held before a judge without the usual full hearing.
- 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.
- teaching equipment — teaching aids
- the hunger marches — a number of processions by unemployed workers in the 1930s to protest against unemployment and deprivation
- to fall from grace — If someone falls from grace, they suddenly stop being successful or popular.
- track geometry car — a railroad car equipped with instruments for providing a continuous printed record of the cross level, gauge, alignment, warp, curvature, and bank of a track.
- transmogrification — to change in appearance or form, especially strangely or grotesquely; transform.
- 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.
- watchdog committee — a committee responsible for monitoring standards of behaviour
- wingback formation — single wingback formation.