18-letter words containing a, p, l, n, o, s
- funeral procession — ceremonial cortège at a burial
- 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.
- general precession — the precession that results from both lunisolar precession and planetary precession; precession of the equinoxes.
- hamilton's problem — Hamiltonian problem
- 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.
- 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
- hyperaldosteronism — aldosteronism.
- hypernationalistic — a person devoted to nationalism.
- hypersexualisation — Alternative spelling of hypersexualization.
- hypersexualization — The act or process of hypersexualizing.
- imploded consonant — a consonant which is pronounced with or by implosion
- impressionableness — The quality of being impressionable.
- in praise of folly — Latin Moriae Encomium. a prose satire (1509) by Erasmus, written in Latin and directed against theologians and church dignitaries.
- inter-relationship — reciprocal relation.
- interrelationships — Plural form of interrelationship.
- iron (ii) sulphate — an iron salt with a saline taste, usually obtained as greenish crystals of the heptahydrate, which are converted to the white monohydrate above 100°C: used in inks, tanning, water purification, and in the treatment of anaemia. Formula: FeSO4
- irreproachableness — The quality or state of being irreproachable; integrity; innocence.
- isolation hospital — a hospital used to isolate or quarantine people with a contagious disease
- just (plain) folks — simple and unassuming; not snobbish
- learned profession — any of the three vocations of theology, law, and medicine, commonly held to require highly advanced learning. Compare profession (def 1).
- lenticular process — a method for producing images with a three-dimensional effect by photographing on lenticulated film.
- limestone pavement — a horizontal surface of exposed limestone in which the joints have been enlarged, cutting the surface into roughly rectangular blocks
- long-stay car park — a car park (eg at an airport) where cars can be left for a long time
- louisiana purchase — a treaty signed with France in 1803 by which the U.S. purchased for $15,000,000 the land extending from the Mississippi River to the Rocky Mountains and from Canada to the Gulf of Mexico.
- maternity hospital — birthing facility
- medical profession — the body of people who work as doctors of medicine
- mezzo-soprano clef — a C clef locating middle C on the line next to the lowest line of the staff.
- microencapsulation — the process of enclosing chemical substances in microcapsules.
- mission specialist — the crew member of a space shuttle who is assigned primary responsibility for carrying out operations related to the payload of the shuttle.
- moccasin telegraph — the transmission of rumour or secret information; the grapevine
- monophosphorylated — (biochemistry) phosphorylated with a single unit of phosphoric acid.
- natural philosophy — natural science.
- nebular hypothesis — the theory that the solar system evolved from a mass of nebular matter: prominent in the 19th century following its precise formulation by Laplace.
- neuroleptanalgesia — a semiconscious nonreactive state induced by certain drug combinations, as fentanyl with droperidol.
- neurophysiological — the branch of physiology dealing with the functions of the nervous system.
- neuropsychological — Of or pertaining to neuropsychology, the relation or combination of brain and mind.
- nonpartisan league — a political organization of farmers, founded in North Dakota in 1915, and extending to many states west of the Mississippi, with the aim of influencing agricultural legislation in state legislatures.
- nonpreferentialism — of, relating to, or of the nature of preference: preferential policies.
- nord-pas-de-calais — a region of N France, on the Straits of Dover (the Pas de Calais): coal-mining, textile, and metallurgical industries
- normally aspirated — A normally aspirated or naturally aspirated engine breathes air at atmospheric pressure.
- oedipus at colonus — a tragedy by Sophocles, written toward the end of his life and produced posthumously in 401? b.c.
- operationalisation — Alternative spelling of operationalization.
- optical soundtrack — the final soundtrack on a motion picture, which appears as a band of black and white serrations along a strip of film to the left of the composite print. Light is shined through the serrations and is converted to audible sound.
- oriental scops owl — any of a group of small owls having ear tufts and a whistling call, especially Otus scops (Old World scops owl) and O. sunia (Oriental scops owl)
- overspecialization — excessive specialization, as in a field of study.
- pacinian corpuscle — (sometimes lowercase) a microscopic, onionlike body consisting of layers of connective tissue wrapped around a nerve ending, located in the deep layers of skin, tendons, etc., and functioning as a sensory receptor of pressure and vibration.
- parallel resonance — the resonance that results when circuit elements are connected with their inductance and capacitance in parallel, so that the impedance of the combination rises to a maximum at the resonant frequency