18-letter words containing d, o, r, i, a
- 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.
- 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.
- 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.
- old low franconian — a Low German dialect of the Franks of the lower Rhine valley before c1100.
- on delicate ground — in a situation requiring tact
- on the danger list — critically ill in hospital
- 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 The floppy disk has been replaced by optical media due to its vastly greater capacity, e.g. 50,000 megabytes for a dual-layer blu-ray disc compared with 1.5 megabytes for a floppy (over 30,000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).
- 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
- order of magnitude — You can use order of magnitude when you are giving an approximate idea of the amount or importance of something.
- organic solidarity — social cohesiveness that is based on division of labor and interdependence and is characteristic of complex, industrial societies.
- 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
- orthophthalic acid — Chemistry. any of three isomeric acids having the formula C 8 H 6 O 4 , especially the ortho isomer (orthophthalic acid) a colorless, crystalline, slightly water-soluble solid used chiefly in the manufacture of dyes, medicine, and perfume.
- orthotungstic acid — an oxyacid acid of tungsten. Formula: H2WO4
- 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
- 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.
- 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.
- pescadores-islands — (used with a plural verb) Penghu.
- phantom withdrawal — the unauthorized removal of funds from a bank account using an automated teller machine
- phosphatidylserine — any of a class of phospholipids occurring in biological membranes and fats
- pileolated warbler — either of two western subspecies of Wilson's warbler.
- pitch-and-run shot — chip shot.
- point d'angleterre — a bobbin lace in which the design is worked out with either a needle or bobbin.
- point of departure — Nautical. the precise location of a vessel, established in order to set a course, especially in beginning a voyage in open water.
- population pyramid — a graph showing the distribution of a population by sex, age, etc.
- portrait of a lady — a novel (1881) by Henry James.
- positively charged — having a positive charge
- postviral syndrome — debilitating condition occurring as a sequel to viral illness
- potassium chloride — a white or colorless, crystalline, water-soluble solid, KCl, used chiefly in the manufacture of fertilizers and mineral water, and as a source of other potassium compounds.