17-letter words containing s, p, o, n, r

neuropsychologist — A neurologist or psychologist whose speciality is neuropsychology.
new expressionism — neo-expressionism.
non-comprehension — the act or process of comprehending.
non-corresponding — identical in all essentials or respects: corresponding fingerprints.
non-stereotypical — a process, now often replaced by more advanced methods, for making metal printing plates by taking a mold of composed type or the like in papier-mâché or other material and then taking from this mold a cast in type metal.
non-thermoplastic — soft and pliable when heated, as some plastics, without any change of the inherent properties.
nonproductiveness — The quality of being nonproductive.
nonrepresentative — a person or thing that represents another or others.
northeast passage — a ship route along the N coast of Europe and Asia, between the North Sea and the Pacific.
northern sporades — a group of Greek islands in the Aegean, lying northeast of Euboea
northwest passage — a ship route along the Arctic coast of Canada and Alaska, joining the Atlantic and Pacific oceans.
not spare oneself — to exert oneself to the full
old age pensioner — An old age pensioner is a person who is old enough to receive an pension from their employer or the government.
old spanish trail — an overland route from Santa Fe, N. Mex., to Los Angeles, Calif., first marked out in 1776 by Spanish explorers and missionaries.
omphalomesenteric — (anatomy) Of or pertaining to the umbilicus and mesentery.
on one's doorstep — very close or accessible
on speaking terms — the act, utterance, or discourse of a person who speaks.
on-street parking — parking (of a car, vehicle, etc) that is or is allowed to be done on a street
one-time password — (security) (OTP) A security system that requires a new password every time a user authenticates themselves, thus protecting against an intruder replaying an intercepted password. OTP generates passwords using either the MD4 or MD5 hashing algorithms. The equivalent term "S/Key", developed by Bellcore, is a trademark of Telcordia Technologies, so the name OTP is used increasingly. See RFC 1760 - "The S/KEY One-Time Password System" and RFC 1938 - "A One-Time Password System".
opening arguments — the statements or arguments provided by lawyers at the beginning of a trial
operation sealion — the codename for Hitler's proposed invasion (1940) of Great Britain
operations centre — a centre where activities of a business, organization, etc, are administrated and take place
opisthobranchiate — (zoology) Of or pertaining to the Opisthobranchiata.
opportunistically — adhering to a policy of opportunism; practicing opportunism.
optical astronomy — the branch of observational astronomy using telescopes to observe or photograph celestial objects in visible light.
organ-pipe cactus — a treelike or columnar cactus, Lemaireocereus marginatus, of Mexico, having a central, erect spine surrounded by spreading spines in clusters of five to eight, and funnel-shaped, brownish-purple flowers.
organic psychosis — a severe mental illness produced by damage to the brain, as a result of poisoning, alcoholism, disease, etc
organophosphorous — Misspelling of organophosphorus.
origin of species — (On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life) a treatise (1859) by Charles Darwin setting forth his theory of evolution.
over-compensation — a pronounced striving to neutralize and conceal a strong but unacceptable character trait by substituting for it an opposite trait.
pacific northwest — the region of North America lying north of the Columbia River and west of the Rockies
paleoconservative — a person advocating an older, traditional type of conservatism, especially in politics.
parents anonymous — (in Britain) an association of local voluntary self-help groups offering help through an anonymous telephone service to parents who fear they will injure their children, or who have other problems in managing their children
parts of kesteven — an area in E England constituting a former administrative division of Lincolnshire
parts per million — the number of units (of a substance) present in a million units of another substance
passenger station — a station used by passengers
pastoral symphony — the Symphony No. 6 in F major (1807–08) by Ludwig van Beethoven.
pecorino (cheese) — an Italian cheese made of sheep's milk; specif., such a cheese that is dry, sharp, and very hard
peloponnesian war — a war between Athens and Sparta, 431–404 b.c., that resulted in the transfer of hegemony in Greece from Athens to Sparta.
pension provision — the provision of a pension by the state or an employer
percussion bullet — a bullet that is exploded by percussion
performance bonus — a monetary bonus paid to staff who have performed well in their job
performance drugs — the drugs that are taken illegally by athletes to enhance their sporting performance
periodic sentence — a sentence that, by leaving the completion of its main clause to the end, produces an effect of suspense, as in Unable to join the others at the dance because of my sprained ankle, I went to a movie.
peripheral vision — all that is visible to the eye outside the central area of focus; side vision.
pernicious anemia — Pernicious anemia is a very severe blood disease.
persistent memory — non-volatile storage
persona non grata — a person who is not welcome: He has become persona non grata in our club since his angry outburst.
personal computer — a compact computer that uses a microprocessor and is designed for individual use, as by a person in an office or at home or school, for such applications as word processing, data management, financial analysis, or computer games. Abbreviation: PC.
personal distance — personal space.

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