18-letter words containing s, y, n, d
- 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
- go down in history — If someone or something goes down in history, people in the future remember them because of particular actions that they have done or because of particular events that have happened.
- 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.
- happy as a sandboy — very happy; high-spirited
- hundred years' war — the series of wars between England and France, 1337–1453, in which England lost all its possessions in France except Calais.
- hydrofluorocarbons — Plural form of hydrofluorocarbon.
- 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.
- 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.
- indiscriminatingly — In an indiscriminating manner.
- 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
- jump discontinuity — a discontinuity of a function at a point where the function has finite, but unequal, limits as the independent variable approaches the point from the left and from the right. Compare jump (def 52).
- known lazy bastard — (abuse) (KLB) A term, used among technical support staff, for a user who repeatedly asks for help with problems whose solutions are clearly explained in the documentation, and persists in doing so after having been told to RTFM. KLBs are singled out for special treatment (i.e. ridicule), especially if they have been heard to say "It's so boring to read the manual! Why don't you just tell me?". The deepest pit in Hell is reserved for KLBs whose questions reveal total ignorance of the basic concepts (e.g., "How do I make a font in Excel?", "Where do I turn on my RAM?"), and who refuse to accept that their questions are neither simple nor well-formed.
- lay down your arms — If soldiers lay down their arms, they stop fighting and give up their weapons.
- 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.
- laying on of hands — Theology. a rite in which the cleric's hands are placed on the head of a person being confirmed, ordained, or the like.
- lincoln's birthday — February 12, a legal holiday in some states of the U.S., in honor of the birth of Abraham Lincoln.
- 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.
- 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
- monophosphorylated — (biochemistry) phosphorylated with a single unit of phosphoric acid.
- needlestick injury — an injury that is caused by accidentally pricking the skin with a hypodermic needle
- neuropsychodynamic — Of or pertaining to neuropsychodynamics.
- normally aspirated — A normally aspirated or naturally aspirated engine breathes air at atmospheric pressure.
- organic solidarity — social cohesiveness that is based on division of labor and interdependence and is characteristic of complex, industrial societies.
- parathyroid glands — any of several small oval glands usually lying near or embedded in the thyroid gland.
- pennsylvania dutch — the descendants of 17th- and 18th-century settlers in Pennsylvania from southwest Germany and Switzerland.
- personal bodyguard — a person employed to protect a particular person
- phosphatidylserine — any of a class of phospholipids occurring in biological membranes and fats
- physical education — systematic instruction in sports, exercises, and hygiene given as part of a school or college program.
- play cat and mouse — Also called cat and rat. a children's game in which players in a circle keep a player from moving into or out of the circle and permit a second player to move into or out of the circle to escape the pursuing first player.
- play second fiddle — be considered less important
- population density — ratio: inhabitants to area
- postviral syndrome — debilitating condition occurring as a sequel to viral illness
- pre-filled syringe — A pre-filled syringe is a disposable syringe that is supplied already loaded with the substance to be injected.