18-letter words containing a, g, l, e, m, 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).
- programme planning — the act of creating plans or schedules, esp in relation to your occupation
- reggio nell'emilia — a city in N Italy.
- replacement engine — an engine used to replace or substitute an older or broken engine (in a vehicle, etc)
- residual magnetism — remanence.
- running martingale — martingale (def 2).
- sampling equipment — Sampling equipment is equipment which is used to remove small amounts of something for analysis and monitoring.
- sampling frequency — sample rate
- self-disparagement — the act of disparaging.
- self-incriminating — serving to incriminate oneself or to expose oneself to prosecution: self-incriminating testimony.
- sleeping policeman — a bump built across roads, esp in housing estates, to deter motorists from speeding
- 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
- spherical geometry — the branch of geometry that deals with figures on spherical surfaces.
- 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)
- subliminal message — a message passed to the human mind without the mind being consciously aware of it, as, for example, in advertising
- 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
- the beautiful game — football
- the magnolia state — a nickname referring to Mississippi
- 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
- traveling salesman — a male representative of a business firm who travels in an assigned territory soliciting orders for a company's products or services.
- 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.
- wandering minstrel — travelling performer
- wildlife programme — (esp on television) a documentary whose subject is wild animals in their natural habitat or undomesticated fauna and flora generally
- wrangell mountains — a mountain range in SE Alaska, extending into the Yukon, Canada. Highest peak: Mount Blackburn, 5037 m (16 523 ft)