18-letter words containing d, y, t, i, s
- hyperaldosteronism — aldosteronism.
- hypoparathyroidism — Diminished concentration of parathyroid hormone in the blood, which causes deficiencies of calcium and phosphorus compounds in the blood and results in muscular spasms.
- idylls of the king — a series of poems by Tennyson, based on Arthurian legend.
- 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.
- 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).
- lincoln's birthday — February 12, a legal holiday in some states of the U.S., in honor of the birth of Abraham Lincoln.
- magnetogasdynamics — magnetohydrodynamics.
- 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
- mutual aid society — A mutual aid society is an organization that provides benefits or other help to its members when they are affected by things such as death, sickness, disability, old age, or unemployment.
- needlestick injury — an injury that is caused by accidentally pricking the skin with a hypodermic needle
- normally aspirated — A normally aspirated or naturally aspirated engine breathes air at atmospheric pressure.
- old curiosity shop — a novel (1840–41) by Dickens.
- organic solidarity — social cohesiveness that is based on division of labor and interdependence and is characteristic of complex, industrial societies.
- orthopedic surgery — corrective operation on bones or joints
- parathyroid glands — any of several small oval glands usually lying near or embedded in the thyroid gland.
- payload specialist — an astronaut trained to handle highly complex or classified equipment carried aboard a space shuttle and to conduct experiments in space.
- pennsylvania dutch — the descendants of 17th- and 18th-century settlers in Pennsylvania from southwest Germany and Switzerland.
- 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.
- population density — ratio: inhabitants to area
- positively charged — having a positive charge
- postviral syndrome — debilitating condition occurring as a sequel to viral illness
- productivity bonus — an extra payment made to workers for being more productive or yielding more favourable results than normal
- protective custody — detention of a person by the police solely as protection against a possible attack or reprisal by someone.
- pseudo-symptomatic — pertaining to a symptom or symptoms.
- pyramus and thisbe — (in Greek legend) two lovers of Babylon: Pyramus, wrongly supposing Thisbe to be dead, killed himself and she, encountering him in his death throes, did the same
- radius of gyration — the distance from an axis at which the mass of a body may be assumed to be concentrated and at which the moment of inertia will be equal to the moment of inertia of the actual mass about the axis, equal to the square root of the quotient of the moment of inertia and the mass.
- rear its ugly head — the upper part of the body in humans, joined to the trunk by the neck, containing the brain, eyes, ears, nose, and mouth.
- reduction strategy — (theory) An algorithm for deciding which redex(es) to reduce next. Different strategies have different termination properties in the presence of recursive functions or values. See string reduction, normal order reduction, applicative order reduction, parallel reduction
- reflection density — a measure of the extent to which a surface reflects light or other electromagnetic radiation, equal to the logarithm to base ten of the reciprocal of the reflectance
- registered charity — official aid organization
- registered company — a company which has officially registered its business
- restoration comedy — English comedy of the period of the Restoration, stressing manners and social satire.
- safety-deposit box — a lockable metal box or drawer, especially in a bank vault, used for safely storing valuable papers, jewelry, etc.
- saint george's day — April 23, celebrated in parts of the British Commonwealth in honor of the patron saint of Britain and especially in New Zealand as a bank holiday.
- say/kiss goodnight — If you say goodnight to someone or kiss them goodnight, you say something such as 'Goodnight' to them or kiss them before one of you goes home or goes to sleep.
- science dictionary — a specialized dictionary covering terms in the life, earth, and physical sciences, such as the online Science Dictionary on Dictionary.com. A science dictionary includes many technical terms with precise, specialized meanings—terms not normally found in general dictionaries—making it an invaluable resource for students and professionals in scientific fields.
- secondary industry — manufacturing, services, etc.
- self-contradictory — an act or instance of contradicting oneself or itself.
- self-deprecatingly — in a self-deprecating manner
- september holidays — a period of time in September when people do not have to go to school, college or work
- shop till you drop — If you shop till you drop, you do a large amount of shopping.
- society of friends — a Christian denomination, founded in England c. 1650 by George Fox, that has no formal creed, liturgy, or priesthood and rejects violence in human relations, esp. warfare
- sodium hyposulfite — sodium thiosulfate.