18-letter words containing a, d, u, n
- digital signatures — digital signature
- discourse analysis — the study of the rules or patterns characterizing units of connected speech or writing longer than a sentence.
- dishwashing liquid — Dishwashing liquid is a thick soapy liquid which you add to hot water to clean dirty dishes.
- dispatch documents — documents sent with a parcel, etc, detailing information such as contents, delivery address, etc
- distance education — education in which students receive instruction over the Internet, from a video, etc., instead of going to school.
- distinguishability — to mark off as different (often followed by from or by): He was distinguished from the other boys by his height.
- distribution class — form class
- distribution ratio — the ratio of concentrations of a solute distributed between two immiscible solvents in contact with each other, as iodine in water and chloroform
- division of labour — a system of organizing the manufacture of an article in a series of separate specialized operations, each of which is carried out by a different worker or group of workers
- dominican republic — a republic in the West Indies, occupying the E part of the island of Hispaniola. 19,129 sq. mi. (49,545 sq. km). Capital: Santo Domingo.
- double achievement — a representation of the arms of a husband beside those of his wife such that a difference of rank between them is shown.
- drainpipe trousers — trousers with very narrow legs
- dramatic monologue — a poetic form in which a single character, addressing a silent auditor at a critical moment, reveals himself or herself and the dramatic situation.
- driver's education — high-school driving classes
- drug on the market — Pharmacology. a chemical substance used in the treatment, cure, prevention, or diagnosis of disease or used to otherwise enhance physical or mental well-being.
- ducking and diving — evasiveness
- dwarf storage unit — (humour) (DSU) An IBM term for a cupboard.
- dysfunctionalities — Plural form of dysfunctionality.
- earned run average — a measure of the effectiveness of a pitcher, obtained by dividing the number of earned runs scored against the pitcher by the number of innings pitched and multiplying the result by nine. A pitcher yielding three earned runs in nine innings has an earned run average of 3.00. Abbreviation: ERA, era.
- east indian walnut — lebbek.
- elementary student — primary school pupil
- engelbart, douglas — Douglas Engelbart
- fall to the ground — (of a plan, theory, etc) to be rendered invalid, esp because of lack of necessary information
- fast-food industry — the industry surrounding fast-food restaurants
- federal funds rate — The federal funds rate is the overnight rate between banks.
- fettuccine alfredo — fettuccine in cream sauce with grated Parmesan cheese.
- fissure of rolando — central sulcus.
- flash butt welding — a method of welding metal edge-to-edge with a powerful electric flash followed by the application of pressure.
- floating underflow — underflow
- fluegelman, andrew — Andrew Fluegelman
- foundation garment — an undergarment, as a girdle or corset, worn by women to support or give shape to the contours of the body.
- foundling hospital — an institutional home for foundlings.
- fourth commandment — “Remember the sabbath day, to keep it holy”: fourth of the Ten Commandments.
- from hand to mouth — the terminal, prehensile part of the upper limb in humans and other primates, consisting of the wrist, metacarpal area, fingers, and thumb.
- fuel-saving device — a device that increases the fuel efficiency of a vehicle, so that it uses less fuel for a further distance
- fulminating powder — powder that explodes by percussion.
- fuming nitric acid — a colorless, yellowish, or brownish fuming corrosive liquid, usually prepared from nitric acid by the addition of excess nitrogen dioxide: used in organic synthesis for nitration, and as an oxidizer in liquid propellants for rockets.
- 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).
- funding operations — the conversion of government floating stock or short-term debt into holdings of long-term bonds
- gabriele dannunzio — Gabriele [Italian gah-bree-e-le] /Italian ˌgɑ briˈɛ lɛ/ (Show IPA), (Duca Minimo) 1863–1938, Italian soldier, novelist, and poet.
- galactic longitude — the angular distance in degrees measured eastward in the galactic plane from a radius drawn from the earth as center to the constellation Sagittarius.
- gamma distribution — a continuous two-parameter distribution from which the chi-square and exponential distributions are derived, written Gamma (α. β), where α and β are greater than zero, and defined in terms of the gamma function
- gastroduodenostomy — See under gastroenterostomy.
- get the upper hand — gain advantage
- go round and round — If you say that something is going round and round in your head, you mean that you can't stop thinking about it.
- good conduct medal — a medal awarded an enlisted person for meritorious behavior during the period of service.
- graduated cylinder — a narrow, cylindrical container marked with horizontal lines to represent units of measurement and used to precisely measure the volume of liquids.
- grand council fire — a formal gathering of camp fire members requiring a minimum attendance of three troops.
- grandfather clause — U.S. History. a clause in the constitutions of some Southern states after 1890 intended to permit whites to vote while disfranchising blacks: it exempted from new literacy and property qualifications for voting those men entitled to vote before 1867 and their lineal descendants.
- granulated surface — a roughened surface