18-letter words containing s, i, d, e, c
- forced perspective — the use of objects or images that are larger or smaller than they should be, to suggest that they are nearer or further away than they really are
- frederick douglass — Frederick, 1817–95, U.S. ex-slave, abolitionist, and orator.
- french west indies — islands in the West Indies that belong to France, including two overseas departments (Martinique & Guadeloupe) & several former dependencies of Guadeloupe
- fuel-saving device — a device that increases the fuel efficiency of a vehicle, so that it uses less fuel for a further distance
- functional disease — a disease in which there is an abnormal change in the function of an organ, but no structural alteration in the tissues involved (opposed to organic disease).
- gas-discharge tube — any tube in which an electric discharge takes place through a gas
- geodetic surveying — the surveying of the earth's surface, making allowance for its curvature and giving an accurate framework for smaller-scale surveys
- guidance counselor — advisor in schools
- handyman's special — fixer-upper.
- hemorrhoidectomies — Plural form of hemorrhoidectomy.
- heteroscedasticity — (statistics) The property of a series of random variables of 'not' every variable having the same finite variance.
- heteroskedasticity — Alternative spelling of heteroscedasticity.
- high speed connect — (hardware) (HSC) A Hewlett-Packard bus like EISA.
- high-sided vehicle — an official term for lorries, vans, trailers, etc with a height greater than that of motor cars
- histamine headache — cluster headache.
- hypodermic syringe — a small glass piston or barrel syringe having a detachable, hollow needle for use in injecting solutions subcutaneously.
- ideas of reference — a schizophrenic symptom in which the patient thinks that things completely disconnected from him are influencing him or conveying messages to him
- immunodeficiencies — Plural form of immunodeficiency.
- imploded consonant — a consonant which is pronounced with or by implosion
- in inverted commas — If you say in inverted commas after a word or phrase, you are indicating that it is inaccurate or unacceptable in some way, or that you are quoting someone else.
- incentive discount — a discount on goods offered to customers, usually as a reward for repeated business or for bringing in other customers
- incidental charges — Incidental charges are costs of items and services that are not part of the main bill.
- incidental damages — law: incurred by contract breach
- inconsiderableness — Quality of being inconsiderable.
- independent clause — a clause that can stand alone as a sentence, containing a subject and a predicate with a finite verb, as I was there in the sentence I was there when he arrived.
- independent school — (in Britain) a school that is neither financed nor controlled by the government or local authorities
- indestructibleness — The quality of being indestructible.
- indirect discourse — discourse consisting not of an exact quotation of a speaker's words but of a version transformed from them for grammatical inclusion in a larger sentence. He said he was hungry is an example of indirect discourse.
- indiscriminateness — The state of being indiscriminate.
- industrial vehicle — a vehicle designed for use in industry
- infectious disease — illness spread by person to person
- insurance adjuster — An insurance adjuster is the same as a claims adjuster.
- interconnectedness — the quality or condition of being interconnected; interrelatedness: the interconnectedness of all nations working toward world peace.
- iridescent seaweed — a red alga, Irideae cordata, found on the Pacific coast of North America, having broad, leathery, iridescent blades.
- justice department — the United States federal department for enforcing federal laws
- keep at a distance — to be reserved or cool toward; treat aloofly
- kirkcudbrightshire — a historic county in SW Scotland.
- kitchen-sink drama — a type of drama of the 1950s depicting the sordid aspects of domestic reality
- knotted cranesbill — a British wildflower, Geranium nodosum, an meadow geranium with bright pink or purple flowers
- landscape painting — art: depicting natural scenery
- light displacement — the weight of a ship with all its permanent equipment, excluding the weight of cargo, persons, ballast, dunnage, and fuel, but usually including the weight of permanent ballast and water used to operate steam machinery.
- 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.
- locked-in syndrome — a condition in which a person is conscious but unable to move any part of the body except the eyes: results from damage to the brainstem
- long-distance call — phone call: not local area
- lord chief justice — the presiding judge of Britain's High Court of Justice, the superior court of record for both criminal and civil cases.
- loschmidt's number — the number of molecules in one cubic centimeter of an ideal gas at standard temperature and pressure, equal to 2.687 × 10 19.
- madagascar jasmine — a Madagascan twining, woody vine, Stephanotis floribunda, of the milkweed family, having waxy-white, fragrant flowers.
- magnetogasdynamics — magnetohydrodynamics.
- matthias schleiden — Matthias Jakob [mah-tee-ahs yah-kawp] /mɑˈti ɑs ˈyɑ kɔp/ (Show IPA), 1804–81, German botanist.