18-letter words containing t, d, i, s, r

manhattan district — (during World War II) the code name for a unit of US army engineers established in 1942 to construct secret sites for the development of the atomic bomb
materials handling — the loading, unloading, and movement of goods, as within a factory or warehouse, especially by the aid of mechanical devices.
mendel's first law — the principle, originated by Gregor Mendel, stating that during the production of gametes the two copies of each hereditary factor segregate so that offspring acquire one factor from each parent.
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.
microsloth windows — (abuse, operating system) /mi:'kroh-sloth" win"dohz/ (Or "Windoze", /win'dohz/) A derogatory term for Microsoft Windows which is so limited by bug-for-bug compatibility with mess-dos that it is agonisingly slow on anything less than a fast 486. Also called just "Windoze", with the implication that you can fall asleep waiting for it to do anything; the latter term is extremely common on Usenet. Compare X, sun-stools.
microsoft extended — (computer) (MSX) A Range of computers created in an attempt by the industry to create a standard for home computers, similar to VHS did with home video. The basic MSX machine contained a Z80 CPU working at 3.58MHz. MSX machines were produced by such giants as Sony, Yamaha, Panasonic, Toshiba, Daewoo, and Philips. The MSX standard was designed by a company called ASCII in cooperation with Microsoft who provided a firmware version of its BASIC for the machine. Because this BASIC version was an extended version of MicroSoft Basic, it was called "MicroSoft eXtended BASIC"; Hence "MSX". Microsoft also produced MSX-DOS - a stripped-down version of MS-DOS. Extensions to the MSX included MSX2, MSX2+ and TurboR.
middleburg heights — a town in N Ohio.
midstream operator — A midstream operator is a company that gathers, transports, and processes natural gas or oil.
mineralocorticoids — Plural form of mineralocorticoid.
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
misunderestimation — (nonstandard) An inaccurate underestimation, or an act of misunderestimating.
mixed martial arts — Mixed martial arts is a sport in which two people fight by hitting, kicking, and holding each other, both in a standing position and on the ground.
modulus of torsion — a coefficient of elasticity of a substance, expressing the ratio between the force per unit area (shearing stress) that laterally deforms the substance and the shear (shearing strain) that is produced by this force.
multi-user dungeon — Multi-User Dimension
national guardsman — guardsman (def 2).
native advertising — advertising content on a website that conforms to the design and format of the site and is integrated into the site’s usual content: native advertising that is almost indistinguishable from the paper’s news stories.
needlestick injury — an injury that is caused by accidentally pricking the skin with a hypodermic needle
netherlands guiana — a former name of Suriname.
new forest disease — an infectious eye disease causing acute eye pain in cattle
nominative-address — a noun naming the person to whom one is speaking.
non-discriminative — constituting a particular quality, trait, or difference; characteristic; notable.
nondestructiveness — The quality of not being destructive.
nonstriated muscle — smooth muscle
normally aspirated — A normally aspirated or naturally aspirated engine breathes air at atmospheric pressure.
north bedfordshire — a city in Bedfordshire, in central England.
northeast corridor — the long, narrow strip of land between Boston, New York City, and Washington, D.C., containing many adjacent urban areas.
old curiosity shop — a novel (1840–41) by Dickens.
on the credit side — You say on the credit side in order to introduce one or more good things about a situation or person, usually when you have already mentioned the bad things about them.
on the danger list — critically ill in hospital
optical disc drive — optical disk drive
optical disk drive — (hardware) (Or "optical disc drive", "optical storage") A generic term for any device that reads and/or writes optical media, i.e. compact discs, DVDs and/or Blu-ray discs or future media that uses light (from a small laser) to read data off a removable, rotating disk. At least one such drive is commonly installed in most personal computers to allow them to play and/or record audio and video media and load and store data such as program installers. The floppy disk has been replaced by optical media due to its vastly greater capacity, e.g. 50,000 megabytes for a dual-layer blu-ray disc compared with 1.5 megabytes for a floppy (over 30,000 times as much).
optical soundtrack — the final soundtrack on a motion picture, which appears as a band of black and white serrations along a strip of film to the left of the composite print. Light is shined through the serrations and is converted to audible sound.
order of australia — an order awarded to Australians for outstanding achievement or for service to Australia or to humanity at large; established in 1975
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
orthotungstic acid — an oxyacid acid of tungsten. Formula: H2WO4
osteitis deformans — Paget's disease.
osteoradionecrosis — bone tissue death induced by radiation.
overdraft interest — interest charged on money withdrawn in excess of the credit balance of a bank or building society account
paediatric nursing — the branch of nursing concerned with the care of children
parathyroid glands — any of several small oval glands usually lying near or embedded in the thyroid gland.
passing-out parade — a ceremonial parade of cadets who have completed their training
pectoral sandpiper — an American sandpiper, Calidris melanotos, the male of which, when courting, inflates its chest conspicuously.
pedal steel guitar — an oblong, floor-mounted electrified guitar, usually having ten strings, fretted with a steel bar and producing a wailing sound that is modulated by use of a foot pedal.
pedestrian traffic — the people coming and going on foot in a street, town, etc
permanent resident — an immigrant who has been given official residential status, often prior to being granted citizenship
phosphatidylserine — any of a class of phospholipids occurring in biological membranes and fats
pitch-and-run shot — chip shot.

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