18-letter words containing o, d, n, e

nonionic detergent — a detergent that is polar but does not ionize in aqueous solution.
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.
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.
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.
not take kindly to — not welcome
notifiable disease — any one of a number of infectious diseases of humans and animals, that must be reported to the public health authorities
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.
oedipus at colonus — a tragedy by Sophocles, written toward the end of his life and produced posthumously in 401? b.c.
office of readings — the first of the canonical hours; matins
old man of the sea — (in The Arabian Nights' Entertainments) an old man who clung to the shoulders of Sindbad the Sailor for many days and nights.
on delicate ground — in a situation requiring tact
on one's beam-ends — out of resources; destitute
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
on the ragged edge — precariously close to loss of self-control, mental stability, etc.
one false move and — You use one false move to introduce the very bad or serious consequences which will result if someone makes a mistake, even a very small one.
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
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.
out of one's depth — a dimension taken through an object or body of material, usually downward from an upper surface, horizontally inward from an outer surface, or from top to bottom of something regarded as one of several layers.
out of one's hands — no longer one's responsibility
outside-in testing — (testing) A strategy for integration testing where units handling program inputs and outputs are tested first, and units that process the inputs to produce output are incrementally included as the system is integrated. A form of hybrid testing.
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 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.
packet switch node — (PSN) A dedicated computer whose purpose is to accept, route and forward packets in a packet-switched network.
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.
percussion welding — a form of resistance welding in which the required pressure is provided by a hammerlike blow.
periodic inventory — Periodic inventory is a method of valuing inventory, usually at the end of accounting periods, by physically counting all merchandise held in stock at that time.
personal bodyguard — a person employed to protect a particular person
pescadores-islands — (used with a plural verb) Penghu.
peter and the wolf — a composition by Sergei Prokofiev written in 1936. It is a children's story with both music and text, spoken by a narrator accompanied by the orchestra
phosphatidylserine — any of a class of phospholipids occurring in biological membranes and fats
phosphonium iodide — a colorless to slightly yellowish, crystalline, water-soluble solid, PH 4 I, used in chemical synthesis.
photodecomposition — the breaking down of molecules by radiant energy.

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