18-letter words containing a, l, o, p
- dialytic telescope — a type of achromatic telescope with a second correcting lens
- didaskaleinophobia — The fear of going to school.
- digital audio tape — a cassette containing magnetic tape used for high-fidelity digital recording or playback of audio. Abbreviation: DAT.
- diphosphoglycerate — an ester of phosphoric acid and glyceric acid that occurs in the blood and that promotes the release of hemoglobin-bound oxygen.
- diplomatic service — diplomatic corps
- diplomatic shuttle — a series of diplomatic visits to other states made by an official, such as an ambassador or envoy
- disability pension — a pension paid to people who are unable to continue to work because of a disability
- display postscript — An extended form of PostScript permitting its interactive use with bitmap displays.
- 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.
- domremy-la-pucelle — a village in Lorraine, NE France, SW of Nancy: birthplace of Joan of Arc.
- double-page spread — two pages treated as one in a publication, with images or text extending across the binding
- dry-powder inhaler — A dry-powder inhaler is a device that delivers medication to the lungs in the form of a dry powder.
- due process of law — the administration of justice in accordance with established rules and principles
- 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.
- eggshell porcelain — a type of very thin translucent porcelain originally made in China
- ejaculatio praecox — premature ejaculation during sexual intercourse
- 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
- electrocardiograph — A machine used for electrocardiography.
- 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
- electrophotography — Any of several methods of photocopying in which an image is created and then transferred between surfaces using static electricity.
- electrotherapeutic — Relating to electrotherapeutics.
- elizabeth petrovna — 1709-62; empress of Russia (1741-62): daughter of Peter I
- epicycloidal wheel — one of the planetary gears of an epicyclic train
- 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.
- farmer-labor party — a political party in Minnesota, founded in 1920 and merged with the Democratic Party in 1944.
- fermat's last post — (humour) A post to a bug tracker, mailing list or forum in which the author claims to have found a simple fix or workaround for a bug, but never says what it is and never shows up again to explain it (even after others have been puzzling over the bug for years).
- floating partition — a partition running parallel to and between two joists and resting on blocking between them.
- football supporter — a person who supports a particular football team
- forward compatible — forward compatibility
- 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.
- 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.
- geometrical optics — the branch of optics dealing with light as rays, especially in the study of the effects of lenses and mirrors on light beams and of their combination in optical instruments.
- gestalt psychology — (sometimes lowercase) the theory or doctrine that physiological or psychological phenomena do not occur through the summation of individual elements, as reflexes or sensations, but through gestalts functioning separately or interrelatedly.