18-letter words containing d, i, t, c, h

moulding technique — the technique used to shape a material into a frame or mould
multimedia machine — machines that allow users to control and manipulate sound, video, text and graphics
natural childbirth — childbirth involving little or no use of drugs or anesthesia and usually involving a program in which the mother is psychologically and physically prepared for the birth process.
negligent homicide — a criminal charge brought against people who, through criminal negligence, allow others to die
neighborhood watch — a neighborhood surveillance program or group in which residents keep watch over one another's houses, patrol the streets, etc., in an attempt to prevent crime.
northeast corridor — the long, narrow strip of land between Boston, New York City, and Washington, D.C., containing many adjacent urban areas.
officer of the day — an officer who has charge of the guard and prisoners on an assigned day at a military installation. Abbreviation: OD, O.D., O.O.D.
old curiosity shop — a novel (1840–41) by Dickens.
on the credit side — You say on the credit side in order to introduce one or more good things about a situation or person, usually when you have already mentioned the bad things about them.
orthopedic surgery — corrective operation on bones or joints
orthophthalic acid — Chemistry. any of three isomeric acids having the formula C 8 H 6 O 4 , especially the ortho isomer (orthophthalic acid) a colorless, crystalline, slightly water-soluble solid used chiefly in the manufacture of dyes, medicine, and perfume.
orthotungstic acid — an oxyacid acid of tungsten. Formula: H2WO4
packet switch node — (PSN) A dedicated computer whose purpose is to accept, route and forward packets in a packet-switched network.
pennsylvania dutch — the descendants of 17th- and 18th-century settlers in Pennsylvania from southwest Germany and Switzerland.
photodecomposition — the breaking down of molecules by radiant energy.
phthalic anhydride — a white, crystalline, slightly water-soluble solid, C 8 H 4 O 3 , used chiefly in the manufacture of dyes, alkyd resins, and plasticizers.
physical education — systematic instruction in sports, exercises, and hygiene given as part of a school or college program.
pitch-and-run shot — chip shot.
positively charged — having a positive charge
potassium chloride — a white or colorless, crystalline, water-soluble solid, KCl, used chiefly in the manufacture of fertilizers and mineral water, and as a source of other potassium compounds.
pseudo-anarchistic — a person who advocates or believes in anarchy or anarchism.
red-light district — an area or district in a city in which many houses of prostitution are located.
registered charity — official aid organization
residential school — (in Canada) a boarding school maintained by the Canadian government for Indian and Inuit children from sparsely populated settlements
rhyming dictionary — a specialist dictionary organized by the final sounds of words, used to write poetry
scottish deerhound — one of a Scottish breed of large, tall hunting dogs having a medium-length, wiry, gray or reddish-fawn coat, originally developed for hunting and bringing down deer, and known as the royal dog of Scotland.
shipping documents — documents relating to the sending of a shipment of goods, for example containing details of contents, weight, value etc.
sign of the zodiac — one of the twelve constellations along the path of the ecliptic.
sodium thiocyanate — a white powder or colorless, deliquescent crystals, NaSCN, used chiefly in organic synthesis and in medicine in the treatment of hypertension.
sonic depth finder — a sonar instrument that uses echolocation to measure depths under water.
strathclyde region — a former local government region in W Scotland: formed in 1975 from Glasgow, Renfrewshire, Lanarkshire, Buteshire, Dunbartonshire, and parts of Argyllshire, Ayrshire, and Stirlingshire; replaced in 1996 by the council areas of Glasgow, Renfrewshire, East Renfrewshire, Inverclyde, North Lanarkshire, South Lanarkshire, Argyll and Bute, East Dunbartonshire, West Dunbartonshire, North Ayrshire, South Ayrshire, and East Ayrshire
swedish gymnastics — a system of passive and active exercising of muscles and joints
synthetic division — a simplified procedure for dividing a polynomial by a linear polynomial.
the american dream — the notion that the American social, economic, and political system makes success possible for every individual
the dark continent — a term for Africa when it was relatively unexplored
the dismal science — a name for economics coined by Thomas Carlyle
the encyclopedists — the writers of the French Encyclopedia (1751-72) edited by Diderot and d'Alembert, which contained the advanced ideas of the period
the-dark-continent — Africa: so called, especially during the 19th century, because little was known about it.
theodore gericault — (Jean Louis André) Théodore [zhahn lwee ahn-drey tey-aw-dawr] /ʒɑ̃ lwi ɑ̃ˈdreɪ teɪ ɔˈdɔr/ (Show IPA), 1791–1824, French painter.
thioantimonic acid — a hypothetical acid, H3SbS4, known only in the form of its salts
thioarsenious acid — any of a group of hypothetical acids, H3AsS3, HAsS2, and H4As2S5, known only in the forms of their salts
thiosulphuric acid — an unstable acid known only in solutions and in the form of its salts. Formula: H2S2O3
thirty-second note — a note having 1/32 of the time value of a whole note; demi-semiquaver.
thirty-second rest — a rest equal in value to a thirty-second note.
threatened species — a species likely, in the near future, to become an endangered species within all or much of its range.
to come unstitched — to go wrong or awry
to pick and choose — If you pick and choose, you carefully choose only things that you really want and reject the others.
triphosphoric acid — the hypothetical acid H 5 P 3 O 10 , known chiefly by its salts.
vectorcardiography — a method of determining the direction and magnitude of the electrical forces of the heart.
watchdog committee — a committee responsible for monitoring standards of behaviour

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