18-letter words containing a, e, r, o, d

mordovian republic — a constituent republic of W central Russia, in the middle Volga basin. Capital: Saransk. Pop: 888 700 (2002). Area: 26 200 sq km (10 110 sq miles)
morphine addiction — the fact or condition of being addicted to morphine
motor torpedo boat — PT boat.
movers and shakers — a person or thing that moves.
moving bed reactor — A moving bed reactor is a reactor in which a layer of catalyst in the form of granules is moved between a reaction area and a regeneration area.
mucopolysaccharide — (formerly) glycosaminoglycan.
neighborhood watch — a neighborhood surveillance program or group in which residents keep watch over one another's houses, patrol the streets, etc., in an attempt to prevent crime.
neurodevelopmental — Of or pertaining to the development of neurological pathways in the brain.
neuropsychodynamic — Of or pertaining to neuropsychodynamics.
new forest disease — an infectious eye disease causing acute eye pain in cattle
new zealand on air — the operational name for the New Zealand Broadcasting Commission
nominative-address — a noun naming the person to whom one is speaking.
non-discriminative — constituting a particular quality, trait, or difference; characteristic; notable.
non-understandable — capable of being understood; comprehensible.
nonstriated muscle — smooth muscle
nord-pas-de-calais — a region of N France, on the Straits of Dover (the Pas de Calais): coal-mining, textile, and metallurgical industries
normally aspirated — A normally aspirated or naturally aspirated engine breathes air at atmospheric pressure.
northeast corridor — the long, narrow strip of land between Boston, New York City, and Washington, D.C., containing many adjacent urban areas.
norwegian elkhound — one of a breed of dogs having a short, compact body, short, pointed ears, and a thick, gray coat, raised originally in Norway for hunting elk and other game.
not breathe a word — to take air, oxygen, etc., into the lungs and expel it; inhale and exhale; respire.
nueva san salvador — Santa Tecla.
oak-leaf hydrangea — a shrub, Hydrangea quercifolia, of the southeastern U.S., having lobed leaves and pyramidal clusters of white flowers.
obedience training — the training of an animal, especially a dog, to obey certain commands.
office of readings — the first of the canonical hours; matins
officer of the day — an officer who has charge of the guard and prisoners on an assigned day at a military installation. Abbreviation: OD, O.D., O.O.D.
on delicate ground — in a situation requiring tact
on the danger list — critically ill in hospital
on the ragged edge — precariously close to loss of self-control, mental stability, etc.
one's heart bleeds — used to express sympathetic grief, but often used ironically
open pandora's box — If someone or something opens Pandora's box or opens a Pandora's box, they do something that causes a lot of problems to appear that did not exist or were not known about before.
operation overlord — the codename for the Allied invasion (June 1944) of northern France
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).
order of australia — an order awarded to Australians for outstanding achievement or for service to Australia or to humanity at large; established in 1975
order of magnitude — You can use order of magnitude when you are giving an approximate idea of the amount or importance of something.
organized religion — institutionalized religion, usually with a hierarchical clergy and rules to govern the means by which adherents participate
oriental almandine — a variety of corundum resembling almandine in colour and used as a gemstone
osteitis deformans — Paget's disease.
osteoradionecrosis — bone tissue death induced by radiation.
over and done with — If you say that something is over and done with, you mean that it is completely finished and you do not have to think about it any more.
overdraft facility — a facility (of a bank or building-society cheque account) that allows a withdrawal of money in excess of the account's credit balance
overdraft interest — interest charged on money withdrawn in excess of the credit balance of a bank or building society account
overhead projector — over one's head; aloft; up in the air or sky, especially near the zenith: There was a cloud overhead.
overidentification — an act or instance of identifying; the state of being identified.
paint the town red — a substance composed of solid coloring matter suspended in a liquid medium and applied as a protective or decorative coating to various surfaces, or to canvas or other materials in producing a work of art.
parallel reduction — A form of applicative order reduction in which all redexes in an expression are reduced simultaneously. Variants include parallel outermost reduction and lenient reduction. See normal order reduction.
pass the hat round — to collect money, as for a cause
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.
people's democracy — (in Communist ideology) a country or form of government in transition from bourgeois democracy to socialism. In this stage there is more than one class, the largest being the proletariat, led by the Communist Party, which is therefore the dominant power

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