18-letter words containing n, c, r, o

nocturnal emission — the release of semen during sleep, often during a sexual dream.
non-characteristic — Also, characteristical. pertaining to, constituting, or indicating the character or peculiar quality of a person or thing; typical; distinctive: Red and gold are the characteristic colors of autumn.
non-circumstantial — of pertaining to, or derived from circumstances: a circumstantial result.
non-conversational — able or ready to converse; given to conversation.
non-correspondence — communication by exchange of letters.
non-discriminative — constituting a particular quality, trait, or difference; characteristic; notable.
non-impact printer — a printer that creates images without mechanically impacting the page, as an ink-jet or laser printer.
non-reconciliation — an act of reconciling, as when former enemies agree to an amicable truce.
nonachlorobiphenyl — (organic compound) Either of three isomers of the polychlorinated biphenyl containing nine chlorine atoms.
nonaggression pact — an agreement between two nations not to attack each other, usually for a specified period of years
nonconfrontational — Tending to deal with situations calmly and diplomatically; not aggressive or hostile.
nondestructiveness — The quality of not being destructive.
noninterchangeable — That cannot be interchanged with another.
nonintercourse act — the act of Congress (1809) prohibiting all shipping and trade between the United States and British- or French-controlled ports.
nonionic detergent — a detergent that is polar but does not ionize in aqueous solution.
nonpharmacological — Not pharmacological.
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
north college hill — a city in SW Ohio.
north lincolnshire — a unitary authority of NE England, in Lincolnshire: formerly (1975–96) part of the county of Humberside. Pop: 155 000 (2003 est). Area: 1497 sq km (578 sq miles)
north saskatchewan — a river in S central Canada, flowing E from the Rocky Mountains and joining the South Saskatchewan River to form the Saskatchewan River. 760 miles (1223 km) long.
north truchas peak — a mountain in N New Mexico, near Santa Fe: one of the three Truchas Peaks. 13,110 feet (3999 meters).
northeast corridor — the long, narrow strip of land between Boston, New York City, and Washington, D.C., containing many adjacent urban areas.
northern cameroons — German Kamerun. a region in W Africa: a German protectorate 1884–1919; divided in 1919 into British and French mandates.
noun incorporation — a process in word formation by which a compound is created by affixing or infixing a noun to a verb, as in baby-sit, house-hunt, and sleep-walk.
numerical taxonomy — classification of organisms by a comparison of large numbers of observable characteristics that are given equal value instead of being weighted according to possible evolutionary significance.
nurse practitioner — a registered nurse who has received special training for diagnosing and treating routine or minor ailments. Abbreviation: NP.
nurse-practitioner — a registered nurse who has received special training for diagnosing and treating routine or minor ailments. Abbreviation: NP.
obedience training — the training of an animal, especially a dog, to obey certain commands.
object-orientation — object-oriented
oblique projection — something that is oblique.
occupational group — An occupational group is a category used by insurance companies to classify jobs according to how hazardous they are.
octachlorobiphenyl — (organic compound) Either of twelve isomers of the polychlorinated biphenyl containing eight chlorine atoms.
october revolution — Russian Revolution (def 2).
office of readings — the first of the canonical hours; matins
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 that/this score — You can use on that score or on this score to refer to something that has just been mentioned, especially an area of difficulty or concern.
on the back burner — low priority
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 your conscience — If you have something on your conscience, you feel guilty because you know you have done something wrong.
open-collar worker — (job) Someone who works at home or telecommutes.
optical brightener — an additive that dyes and brightens fabric or paper
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.
oracle corporation — (company) The world's leading supplier of information management software. The company, worth $2 billion, offers its products, along with related consulting, education and support services in more than 90 countries around the world. Oracle is best known for its database management systems vendor and relational DBMS products. Oracle develops and markets Oracle Media Server and the Oracle7 family of software products for database management; Co-operative Development Environment and Oracle Co-operative Applications Oracle software runs on personal digital assistants, set-top boxs, IBM PCs, workstations, minicomputers, mainframes and massively parallel computers. Oracle bought Sun Microsystems on 2009-04-20. See also Adaptable User Interface, Bookviewer, CASE*Method, Component Integration Laboratories, DDE Manager, Online Media, Oracle Card, Oracle*CASE, siod. Address: Redwood Shores, CA, USA.
oral contraceptive — birth-control pill.
organic solidarity — social cohesiveness that is based on division of labor and interdependence and is characteristic of complex, industrial societies.
organization chart — a diagrammatic representation showing how departments or divisions in an organization, as a large corporation, are related to one another along lines of authority.
oriental cat's-eye — a chatoyant variety of chrysoberyl, used as a gem.
oriental cockroach — a dark-brown cockroach, Blatta orientalis, thought to have originated in Asia but now nearly cosmopolitan in distribution.

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