18-letter words containing d, e, s, y
- duty-free shopping — the making of duty-free purchases
- dynamically scoped — dynamic scope
- dysfunctionalities — Plural form of dysfunctionality.
- dysthymic disorder — a psychiatric disorder characterized by generalized depression that lasts for at least a year
- east india company — the company chartered by the English government in 1600 to carry on trade in the East Indies: dissolved in 1874.
- elementary student — primary school pupil
- faraday dark space — the dark region between the negative glow and the positive column in a vacuum tube occurring when the pressure is low.
- feast of orthodoxy — a solemn festival held on the first Sunday of Lent (Orthodoxy Sunday) commemorating the restoration of the use of icons in the church (a.d. 842) and the triumph over all heresies.
- first duke of york — a member of the royal house of England that ruled from 1461 to 1485.
- flat-panel display — a type of thin, lightweight video display that uses liquid crystals or electroluminescence to reflect images.
- fluorodeoxyglucose — (carbohydrate) A fluorine analog of glucose that is used in positron emission tomography.
- fragile x syndrome — a widespread form of mental retardation caused by a faulty gene on the X chromosome.
- fragile-x syndrome — an inherited condition characterized by learning disability: affected individuals have an X-chromosome that is easily damaged under certain conditions
- gastroduodenostomy — See under gastroenterostomy.
- geodetic surveying — the surveying of the earth's surface, making allowance for its curvature and giving an accurate framework for smaller-scale surveys
- get one's end away — to have sexual intercourse
- gettysburg address — the notable short speech made by President Lincoln on November 19, 1863, at the dedication of the national cemetery at Gettysburg, Pa.
- grand canyon state — Arizona (used as a nickname).
- grand traverse bay — an inlet of Lake Michigan on the NW of the Lower Peninsula of Michigan.
- great sandy desert — a desert in NW Australia. About 300 miles (485 km) long; 500 miles (800 km) wide; about 160,000 sq. mi. (414,400 sq. km).
- green-eyed monster — jealousy: Othello fell under the sway of the green-eyed monster.
- handyman's special — fixer-upper.
- haud your wheesht! — be silent! hush!
- head disk assembly — (hardware, storage) (HDA) A sealed, high capacity mainframe hard disk with integral heads, as opposed to a removable disk.
- heteroscedasticity — (statistics) The property of a series of random variables of 'not' every variable having the same finite variance.
- heteroskedasticity — Alternative spelling of heteroscedasticity.
- hexaphosphorylated — (biochemistry) phosphorylated with six units of phosphoric acid.
- hideyoshi toyotomi — 1536–98, Japanese military dictator (1582–98). He unified all Japan (1590)
- hundred years' war — the series of wars between England and France, 1337–1453, in which England lost all its possessions in France except Calais.
- hydroxytryptamines — Plural form of hydroxytryptamine.
- hyperaldosteronism — aldosteronism.
- hypermodern school — a style of chess characterized by control of the centre from the flanks
- hypodermic syringe — a small glass piston or barrel syringe having a detachable, hollow needle for use in injecting solutions subcutaneously.
- hypophosphorylated — (biochemistry) phosphorylated to a less than normal extent, or less than fully.
- idylls of the king — a series of poems by Tennyson, based on Arthurian legend.
- in your mind's eye — If you see something in your mind's eye, you imagine it and have a clear picture of it in your mind.
- industrial hygiene — the science that assesses, controls, and prevents occupational factors or sources of stress in the workplace that may significantly affect the health and well-being of employees or of the community in general
- infrared astronomy — the study of infrared radiation emitted by celestial objects.
- jerusalem syndrome — a delusive condition affecting some visitors to Jerusalem in which the sufferer identifies with a major figure from his or her religious background
- lay one's hands on — the terminal, prehensile part of the upper limb in humans and other primates, consisting of the wrist, metacarpal area, fingers, and thumb.
- lipopolysaccharide — any of a class of polysaccharides to which lipids are attached.
- 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
- magnetogasdynamics — magnetohydrodynamics.
- meniere's syndrome — a disease of the labyrinth of the ear, characterized by deafness, ringing in the ears, dizziness, and nausea.
- metabolic syndrome — Pathology. a group of medical conditions present simultaneously in a patient, as high blood pressure, low HDL cholesterol levels, and an excess of abdominal fat, that increases a person's risk of heart disease, stroke, and diabetes. Also called insulin resistance syndrome.
- methylated spirits — ethyl alcohol denatured with methyl alcohol for the purpose of preventing its use as an alcoholic beverage.
- methylprednisolone — A synthetic glucocorticoid drug, with chemical formula C22H30O5.
- minority president — (in the US) a president who has been elected by the largest number of votes cast but not by a majority of the electorate
- mobile data system — a system consisting of a client computer requesting information and a server supplying this information
- monophosphorylated — (biochemistry) phosphorylated with a single unit of phosphoric acid.