18-letter words containing a, d, p, o
- fore-edge painting — a technique of painting a picture on the fore edge of a book, often in such a manner that only when the pages are slightly fanned the picture is revealed.
- forward compatible — forward compatibility
- foundling hospital — an institutional home for foundlings.
- fulminating powder — powder that explodes by percussion.
- funding operations — the conversion of government floating stock or short-term debt into holdings of long-term bonds
- grains of paradise — Usually, grains of paradise. one of the pungent, peppery seeds of an African plant, Aframomum melegueta, of the ginger family, used to strengthen cordials and in veterinary medicine.
- happy as a sandboy — very happy; high-spirited
- 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.
- heptadecanoic acid — a colourless crystalline water-insoluble carboxylic acid used in organic synthesis. Formula: CH3(CH2)15COOH
- hermaphrodite brig — a two-masted sailing vessel, square-rigged on the foremast and fore-and-aft-rigged on the mainmast.
- hexaphosphorylated — (biochemistry) phosphorylated with six units of phosphoric acid.
- hold up one's head — to be unashamed
- hydroxynaphthalene — naphthol.
- hydroxytryptamines — Plural form of hydroxytryptamine.
- hyperaldosteronism — aldosteronism.
- hypoparathyroidism — Diminished concentration of parathyroid hormone in the blood, which causes deficiencies of calcium and phosphorus compounds in the blood and results in muscular spasms.
- hypophosphorylated — (biochemistry) phosphorylated to a less than normal extent, or less than fully.
- hyposulfurous acid — an acid, H 2 S 2 O 4 , next in a series below sulfurous acid, known only in solution or in the form of its salts.
- imploded consonant — a consonant which is pronounced with or by implosion
- in good/bad repair — If something such as a building is in good repair, it is in good condition. If it is in bad repair, it is in bad condition.
- japanese andromeda — an Asian evergreen shrub, Pieris japonica, of the heath family, having broad, glossy leaves and drooping clusters of whitish blossoms.
- juan ponce de leon — Juan [hwahn] /ʰwɑn/ (Show IPA), c1460–1521, Spanish explorer.
- keep one's hand in — the terminal, prehensile part of the upper limb in humans and other primates, consisting of the wrist, metacarpal area, fingers, and thumb.
- learned profession — any of the three vocations of theology, law, and medicine, commonly held to require highly advanced learning. Compare profession (def 1).
- lipopolysaccharide — any of a class of polysaccharides to which lipids are attached.
- little spotted cat — a small New World tiger cat, Felis tigrinus, ranging from Costa Rica to northern Argentina.
- magnesium peroxide — a white, tasteless, water-insoluble powder, MgO 2 , used as an antiseptic and as an oxidizing and bleaching agent.
- make up one's mind — (in a human or other conscious being) the element, part, substance, or process that reasons, thinks, feels, wills, perceives, judges, etc.: the processes of the human mind.
- marsilius of padua — c1280–1343? Italian scholar and political theorist.
- medical profession — the body of people who work as doctors of medicine
- mexican gold poppy — an annual wildflower, Eschscholzia mexicana, having orange-gold, cup-shaped flowers, found in dry, mountainous regions of western North America.
- middle paleolithic — See under Paleolithic.
- midstream operator — A midstream operator is a company that gathers, transports, and processes natural gas or oil.
- misplaced modifier — Grammar. a word, phrase, or clause that seems to refer to or modify an unintended word because of its placement in a sentence, as when young in When young, circuses appeal to all of us.
- monophosphorylated — (biochemistry) phosphorylated with a single unit of phosphoric acid.
- mordovian republic — a constituent republic of W central Russia, in the middle Volga basin. Capital: Saransk. Pop: 888 700 (2002). Area: 26 200 sq km (10 110 sq miles)
- morphine addiction — the fact or condition of being addicted to morphine
- motor torpedo boat — PT boat.
- mucopolysaccharide — (formerly) glycosaminoglycan.
- muscular dystrophy — a hereditary disease characterized by gradual wasting of the muscles with replacement by scar tissue and fat, sometimes also affecting the heart.
- neurodevelopmental — Of or pertaining to the development of neurological pathways in the brain.
- neuropsychodynamic — Of or pertaining to neuropsychodynamics.
- new zealand pigeon — a large fruit-eating native pigeon, Hemiphagia novaeseelandiae, of forest areas
- 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.
- open pandora's box — If someone or something opens Pandora's box or opens a Pandora's box, they do something that causes a lot of problems to appear that did not exist or were not known about before.
- operation overlord — the codename for the Allied invasion (June 1944) of northern France
- optical disc drive — optical disk drive
- optical disk drive — (hardware) (Or "optical disc drive", "optical storage") A generic term for any device that reads and/or writes optical media, i.e. compact discs, DVDs and/or Blu-ray discs or future media that uses light (from a small laser) to read data off a removable, rotating disk. At least one such drive is commonly installed in most personal computers to allow them to play and/or record audio and video media and load and store data such as program installers. The floppy disk has been replaced by optical media due to its vastly greater capacity, e.g. 50,000 megabytes for a dual-layer blu-ray disc compared with 1.5 megabytes for a floppy (over 30,000 times as much).