18-letter words containing g, e, m, a, t, i
- photochemical smog — air pollution containing ozone and other reactive chemical compounds formed by the action of sunlight on nitrogen oxides and hydrocarbons, especially those in automobile exhaust.
- phytohemagglutinin — a lectin, obtained from the red kidney bean, that binds to the membranes of T cells and stimulates metabolic activity, cell division, etc.
- pig-tailed macaque — a forest-dwelling southeast Asian macaque, Macaca nemestrina, having a short, curled tail, colonized for animal behavior studies.
- plane trigonometry — the branch of trigonometry dealing with plane triangles.
- primate of england — a title of the archbishop of Canterbury.
- principal argument — the radian measure of the argument between −π and π of a complex number. Compare argument (def 8c).
- production manager — a supervisor of the budget, crew and other details in the production of a film or play
- ptomaine poisoning — (erroneously) food poisoning thought to be caused by ptomaine.
- punishment beating — a form of corporal punishment carried out by a paramilitary organization on a member of another sectarian organization, usually in Northern Ireland
- radiometric dating — any method of determining the age of earth materials or objects of organic origin based on measurement of either short-lived radioactive elements or the amount of a long-lived radioactive element plus its decay product.
- reciprocating pump — A reciprocating pump is a pump which uses a backward and forward movement to move a fluid.
- recruitment agency — company that places job candidates
- registered company — a company which has officially registered its business
- remanent magnetism — magnetization in minerals induced by a former magnetic field and persisting after the field changes.
- replacement engine — an engine used to replace or substitute an older or broken engine (in a vehicle, etc)
- residual magnetism — remanence.
- retrograde amnesia — a memory disorder characterized by an inability to remember events or experiences that occurred before a significant point in time.
- roman congregation — any of the executive departments of the Curia Romana as the administration of the Roman Catholic Church.
- running commentary — non-stop description of sth
- running martingale — martingale (def 2).
- sampling equipment — Sampling equipment is equipment which is used to remove small amounts of something for analysis and monitoring.
- security agreement — business: contract
- self-disparagement — the act of disparaging.
- self-incriminating — serving to incriminate oneself or to expose oneself to prosecution: self-incriminating testimony.
- ski-mountaineering — a combination of the sports of skiing and mountaineering, for example by climbing up a mountain then skiing down it
- societal marketing — marketing that takes into account society's long-term welfare
- something to spare — a surplus of something
- 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.
- 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.
- 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)
- super giant slalom — a slalom race in which the course is longer and has more widely spaced gates than in a giant slalom.
- 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).
- teaching equipment — teaching aids
- the beautiful game — football
- 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
- the major rogation — April 25, observed by Christians as a day of solemn supplication for the harvest and marked by processions, special prayers, and blessing of the crops
- the middle passage — the journey across the Atlantic Ocean from the W coast of Africa to the Caribbean: the longest part of the journey of the slave ships sailing to the Caribbean or the Americas
- third man argument — (in the philosophy of Aristotle) the argument against the existence of Platonic Forms that since the Form of Man is itself a perfect man, a further form (the "third" man) would be required to explain this, and so ad infinitum
- traveling salesman — a male representative of a business firm who travels in an assigned territory soliciting orders for a company's products or services.
- two-minute warning — a time-out called by an official to notify both teams that two minutes remain in a half.
- 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).
- vosges (mountains) — mountain range in NE France, west of the Rhine: highest peak, c. 4,700 ft (1,433 m)