18-letter words containing a, l, e, s, n
- northern transvaal — province of South Africa, in the N part: 47,599 sq mi (123,280 sq km); pop. 5,202,000; cap. Pietersburg
- notifiable disease — any one of a number of infectious diseases of humans and animals, that must be reported to the public health authorities
- nueva san salvador — Santa Tecla.
- numerical analysis — the branch of mathematics dealing with methods for obtaining approximate numerical solutions of mathematical problems.
- nursery facilities — places where young children are looked after
- occasional licence — a licence granted to sell alcohol only at specified times
- oedipus at colonus — a tragedy by Sophocles, written toward the end of his life and produced posthumously in 401? b.c.
- offensive material — any published or broadcast content (such as articles, photographs, films, or websites) that is likely to be upsetting, insulting, or objectionable to some or most people
- oil of catechumens — holy oil used in baptism, the ordination of a cleric, the coronation of a sovereign, or in the consecration of a church.
- old man of the sea — (in The Arabian Nights' Entertainments) an old man who clung to the shoulders of Sindbad the Sailor for many days and nights.
- on one's last legs — either of the two lower limbs of a biped, as a human being, or any of the paired limbs of an animal, arthropod, etc., that support and move the body.
- on the danger list — critically ill in hospital
- one false move and — You use one false move to introduce the very bad or serious consequences which will result if someone makes a mistake, even a very small one.
- one's heart bleeds — used to express sympathetic grief, but often used ironically
- operationalisation — Alternative spelling of operationalization.
- oriental alabaster — alabaster (def 2).
- oriental cat's-eye — a chatoyant variety of chrysoberyl, used as a gem.
- 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)
- oriental shorthair — any of a breed of domestic cat, similar to the Siamese but with greenish eyes and often a coat of a solid color
- oscillating engine — a steam engine having piston rods connected directly to the crankshaft and cylinders oscillating on trunnions.
- overspecialization — excessive specialization, as in a field of study.
- owen stanley range — a mountain range in SE New Guinea. Highest peak: Mount Victoria, 4073 m (13 363 ft)
- 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.
- palm beach gardens — a city in SE Florida, near North Palm Beach.
- 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
- parliamentarianism — advocacy of a parliamentary system of government.
- payment by results — a system of wage payment whereby all or part of the wage varies systematically according to the level of work performance of an employee
- peano's postulates — a collection of axioms concerning the properties of the set of all positive integers, including the principle of mathematical induction.
- pectoral sandpiper — an American sandpiper, Calidris melanotos, the male of which, when courting, inflates its chest conspicuously.
- pellitory of spain — a small Mediterranean plant, Anacyclus pyrethrum, the root of which contains an oil formerly used to relieve toothache: family Asteraceae (composites)
- pennsylvania dutch — the descendants of 17th- and 18th-century settlers in Pennsylvania from southwest Germany and Switzerland.
- percussion flaking — a method of forming a flint tool by striking flakes from a stone core with another stone or a piece of bone or wood.
- perennial ryegrass — any of several European grasses of the genus Lolium, as L. perenne (perennial ryegrass) grown for forage in the U.S.
- personal allowance — the amount of money you are allowed to earn each year without paying tax
- personal assistant — aide
- personal bodyguard — a person employed to protect a particular person
- personal exemption — Your personal exemption is the amount of money that is deducted from your gross income before you have to start paying income tax.
- personal insurance — insurance on personal risk, such as car insurance, health insurance or loss of earnings insurance
- personal organizer — a small notebook with sections for personal information, as dates and addresses.
- pescadores-islands — (used with a plural verb) Penghu.
- phanerocrystalline — (of a rock) having the principal constituents in the form of crystals visible to the naked eye.
- phosphatidylserine — any of a class of phospholipids occurring in biological membranes and fats
- physical education — systematic instruction in sports, exercises, and hygiene given as part of a school or college program.
- physical inventory — To carry out a physical inventory is to count all the stock on hand.
- plains grasshopper — a large, destructive short-horned grasshopper, Brachystola magna, of the western U.S., marked by pinkish hind wings.
- plate-glass window — a window that has glass which has been formed by rolling
- play cat and mouse — Also called cat and rat. a children's game in which players in a circle keep a player from moving into or out of the circle and permit a second player to move into or out of the circle to escape the pursuing first player.
- play second fiddle — be considered less important
- play someone false — to deceive, cheat, hoodwink, or betray someone
- pleasure principle — an automatic mental drive or instinct seeking to avoid pain and to obtain pleasure.