18-letter words containing a, p, l, n
- disability pension — a pension paid to people who are unable to continue to work because of a disability
- disproportionality — not in proportion; disproportionate.
- disproportionately — not proportionate; out of proportion, as in size or number.
- domestic appliance — a machine used for household tasks, for example, a washing machine, refrigerator, etc.
- dominican republic — a republic in the West Indies, occupying the E part of the island of Hispaniola. 19,129 sq. mi. (49,545 sq. km). Capital: Santo Domingo.
- dry-powder inhaler — A dry-powder inhaler is a device that delivers medication to the lungs in the form of a dry powder.
- dynamic psychology — any system of psychology that emphasizes the interaction between different motives, emotions, and drives
- dynamically scoped — dynamic scope
- echoencephalograph — a device that employs reflected ultrasonic waves to examine the position of brain structures.
- eclipsing variable — a variable star whose changes in brightness are caused by periodic eclipses of two stars in a binary system.
- eggshell porcelain — a type of very thin translucent porcelain originally made in China
- electric potential — the work required to transfer a unit positive electric charge from an infinite distance to a given point against an electric field
- electroacupuncture — the insertion into the body of one or more needles through which an electric current is passed
- electron transport — the metabolic process in mitochondria or chloroplasts, in which electrons are transferred in stages from energy-rich compounds to molecular oxygen with liberation of energy
- elizabeth petrovna — 1709-62; empress of Russia (1741-62): daughter of Peter I
- entrepreneurialism — The spirit or state of acting in an entrepreneurial manner.
- equinoctial spring — either of the two highest spring tides that occur at the equinoxes
- ethnopsychological — Relating to ethnopsychology.
- fall-back position — an alternative plan
- false imprisonment — the unlawful restraint of a person from exercising the right to freedom of movement.
- farewell-to-spring — a slender, showy plant, Clarkia amoena, of the evening primrose family, native to western North America, having satiny, cup-shaped, lilac-crimson or reddish-pink flowers and roundish fruit.
- fermat's principle — Optics. the law that the path taken by a ray of light in going from one point to another point will be the path that requires the least time.
- financial planning — the devising of a program for the allocation and management of finances and capital through budgeting, investment, etc.
- flat-panel display — a type of thin, lightweight video display that uses liquid crystals or electroluminescence to reflect images.
- floating partition — a partition running parallel to and between two joists and resting on blocking between them.
- foundling hospital — an institutional home for foundlings.
- free-range poultry — poultry kept in natural nonintensive conditions
- fulminating powder — powder that explodes by percussion.
- functional program — (language) A program employing the functional programming approach or written in a functional language.
- funeral procession — ceremonial cortège at a burial
- gainful employment — an occupation that pays an income
- galilean telescope — a refracting telescope that forms an erect image, consisting of an objective of relatively long focal length that causes light rays to converge and an eyepiece of short focal length that causes them to diverge.
- gas-permeable lens — a semisoft contact lens, usually removed each day, that allows air to pass through to the eye and affords a wider range of vision corrections than a soft contact lens.
- gene amplification — an increase in the frequency of replication of a DNA segment.
- general precession — the precession that results from both lunisolar precession and planetary precession; precession of the equinoxes.
- gravitational pull — force of gravity
- greater periwinkle — a Eurasian apocynaceous evergreen plant of the genus Vinca, V. major, having trailing stems and blue flowers
- grumbling appendix — a condition in which the appendix causes intermittent pain but appendicitis has not developed
- half-open interval — a set of numbers between two given numbers but including only one endpoint.
- hamilton's problem — Hamiltonian problem
- handyman's special — fixer-upper.
- harnessed antelope — any African antelope of the genus Tragelaphus, especially the bushbuck, having the body marked with white stripes and spots that resemble a harness, and, in the male, long, gently spiraling horns.
- helicopter station — a place where helicopters are kept in readiness for use
- hepatosplenomegaly — Enlargement of both the liver and spleen.
- hexachlorobiphenyl — (organic compound) Either of forty-two isomers of the polychlorinated biphenyl containing six chlorine atoms.
- historical present — the present tense used in narrating a past event as if happening at the time of narration.
- hold up one's head — to be unashamed
- hydroxynaphthalene — naphthol.
- hyper-intellectual — appealing to or engaging the intellect: intellectual pursuits.
- hyperaldosteronism — aldosteronism.