17-letter words containing a, c, h, l, s
- harmonic analysis — the calculation of Fourier series and their generalization.
- haroun-al-raschid — Harun al-Rashid.
- heterochlamydeous — (of a plant) having a perianth consisting of distinct sepals and petals
- high-carbon steel — steel containing between 0.5 and 1.5 per cent carbon
- hippocampal gyrus — a convolution on the inner surface of the temporal lobe of the cerebrum, bordering the hippocampus.
- histamine blocker — any of various substances that act at a specific receptor site to block certain actions of histamine.
- histopathological — the science dealing with the histological structure of abnormal or diseased tissue; pathological histology.
- historical method — the process of establishing general facts and principles through attention to chronology and to the evolution or historical course of what is being studied.
- historical school — a school of economists that arose in Germany in the 19th century in reaction to the principles of the classical economists, and that maintained that the factors making up an economy are variable and develop out of social institutions.
- historiographical — the body of literature dealing with historical matters; histories collectively.
- hold all the aces — If you say that someone holds all the aces, you mean that they have all the advantages in a contest or situation.
- hollandaise sauce — a sauce of egg yolks, butter, lemon juice, and seasonings.
- homeland security — national defence
- horticulturalists — Plural form of horticulturalist.
- household cavalry — (in Britain) cavalry units forming part of the ceremonial guard of the monarch.
- hubble's constant — the ratio of the recessional velocity of galaxies to their distance from the sun, with current measurements of its value ranging from 50 to 100 km/sec per megaparsec.
- hyperbolic secant — a hyperbolic function that is the reciprocal of cosh; sech
- hyperbolic spiral — rθ = a, (where a is a constant)
- hypochlorous acid — a weak, unstable acid, HOCl, existing only in solution and in the form of its salts, used as a bleaching agent and disinfectant.
- hypocholesteremia — an abnormally low amount of cholesterol in the blood.
- industrial school — a school for teaching one or more branches of industry; trade or vocational school.
- integrated school — (in New Zealand) a private or church school that has joined the state school system
- isomorphism class — (mathematics) A collection of all the objects isomorphic to a given object. Talking about the isomorphism class (of a poset, say) ensures that we will only consider its properties as a poset, and will not consider other incidental properties it happens to have.
- isopropyl alcohol — a colorless, flammable, water-soluble liquid, C 3 H 8 O, produced from propylene by the action of sulfuric acid and hydrolysis: used chiefly in the manufacture of antifreeze and rubbing alcohol and as a solvent.
- john of lancaster — Duke of Bedford, 1389–1435, Bedford, John of Lancaster, Duke of.
- laboratory school — a school maintained by a college or university for the training of student teachers.
- lancashire heeler — a small sturdy dog of a breed with a short thick black or liver-coloured coat with tan markings, often used for herding cattle
- lazy daisy stitch — an embroidery stitch consisting of a long chain stitch, usually used in making flower patterns
- lisp machine lisp — (language) An extension of Maclisp, now called Zetalisp.
- local anaesthesia — the use of anaesthetics that affect a particular area of the body
- local anaesthetic — sth injected to numb a body part for pain relief
- lombrosian school — a school of criminology, promulgating the theories and employing the methods developed by Lombroso.
- lose the exchange — to lose a rook in return for a bishop or knight
- machado y morales — Gerardo [he-rahr-th aw] /hɛˈrɑr ðɔ/ (Show IPA), 1871–1939, president of Cuba 1925–33.
- maintained school — a school financially supported by the state
- manchester school — a school of economists in England in the first half of the 19th century, devoted to free trade and the repeal of the Corn Law, led by Richard Cobden and John Bright.
- mechanical tissue — a plant tissue made up of hard, thick-walled cells that add strength to an organ
- methyl isocyanate — Chemistry. a highly toxic, flammable, colorless liquid, CH 3 NCO, used as an intermediate in the manufacture of pesticides: in 1984, the accidental release of a cloud of this gas in Bhopal, India, killed more than 1700 people and injured over 200,000.
- methyl salicylate — a colorless, water-soluble liquid, C 8 H 8 O 3 , produced synthetically or by maceration and subsequent distillation from birch or gaultheria: used chiefly in perfumery and flavoring, and in medicine as a counterirritant in external preparations.
- monolith catalyst — A monolith catalyst is a type of catalyst whose surface is flat.
- mont-saint-michel — a rocky islet near the coast of NW France, in an inlet of the Gulf of St. Malo: famous abbey and fortress.
- muscle dysmorphia — a mental disorder primarily affecting males, characterized by obsessions about a perceived lack of muscularity, leading to compulsive exercising, use of anabolic steroids, etc. Compare body dysmorphic disorder.
- mystical theology — the branch of theology dealing with mysticism and mystical experiences.
- nationalist china — China, Republic of.
- natural harmonics — harmonics of a note produced on a stringed instrument by lightly touching an open or unstopped sounded string.
- neo-scholasticism — a contemporary application of Scholasticism to modern problems and life.
- nicholas bourbaki — the pseudonym of a group of mainly French mathematicians that, since 1939, has been producing a monumental work on advanced mathematics, Eléments de Mathématique
- non-thermoplastic — soft and pliable when heated, as some plastics, without any change of the inherent properties.
- nonaccomplishment — Something that does not achieve the intended goal.
- nuclear chemistry — the branch of chemistry concerned with nuclear reactions