20-letter words containing e, m, p, l
- semiautobiographical — pertaining to or being a fictionalized account of an author's own life.
- single point mooring — monobuoy.
- societal development — the formation and transformation of social life, customs, institutions, etc.
- south american plate — a major tectonic division of the earth's crust, comprising the continent of South America and several ocean basins and bounded on the north by the Caribbean Plate, on the east by the Mid-Atlantic Ridge, on the west by a submarine trench that borders the western coast of the continent, and on the south by the Antarctic Plate.
- spiral of archimedes — a curve that is the locus of a point that moves outward with uniform speed along a vector, beginning at the origin, while the vector rotates about the origin with uniform angular velocity. Equation (in polar coordinates): r = aθ.
- splice the mainbrace — to issue and partake of an extra allocation of alcoholic spirits
- supplemental plumage — the third plumage assumed by certain birds having three different plumages in their annual cycle of molts.
- supplementary angles — either of two angles that added together produce an angle of 180°.
- synoptic meteorology — a branch of meteorology analyzing data collected simultaneously over a wide region, for the purpose of weather forecasting.
- telesales department — the department of a company that deals with telesales
- television programme — a programme broadcast on television
- triphenylmethane dye — any of a great number of dyes, as gentian violet, fuchsin, and rosaniline, produced from triphenylmethane by replacement of the ring hydrogen atoms with hydroxy, amino, sulfo, or other atoms or groups.
- trumpet call for sth — a signal for something
- unemployment benefit — an allowance of money paid, usually weekly, to an unemployed worker by a state or federal agency or by the worker's labor union or former employer during all or part of the period of unemployment.
- unemployment figures — statistics relating to the number of people who are out of work
- upper yosemite falls — a section of Yosemite Falls in central California, in the Yosemite National Park that is 436 m (1430 ft) high
- vertical envelopment — envelopment of an enemy accomplished by parachuting and landing airborne troops at the rear of the enemy's position.
- wet-bulb temperature — The wet-bulb temperature is the temperature reached by a small amount of liquid evaporating in a large amount of an unsaturated air-vapor mixture.
- white people problem — a fairly minor problem, complaint, etc., associated with a relatively high standard of living; a first world problem.
- winter olympic games — an international contest of winter sports, esp skiing, held every four years
- woolly spider monkey — a rare related monkey, Brachyteles arachnoides, of SE Brazil
- yellow-billed magpie — either of two corvine birds, Pica pica (black-billed magpie) of Eurasia and North America, or P. nuttalli (yellow-billed magpie) of California, having long, graduated tails, black-and-white plumage, and noisy, mischievous habits.