17-letter words containing t, r, o, s, i
- nondiscriminatory — characterized by or showing prejudicial treatment, especially as an indication of bias related to age, color, national origin, religion, sex, etc.: discriminatory practices in housing; a discriminatory tax.
- nonproductiveness — The quality of being nonproductive.
- nonrepresentative — a person or thing that represents another or others.
- nonstoichiometric — (of a solid compound) having a composition in which the ratio of the atoms present is not a simple integer
- nontrinitarianism — The religious belief that rejects the Christian concept of the trinity.
- north lanarkshire — a council area of central Scotland: consists mainly of the NE part of the historical county of Lanarkshire; formerly (1974–96) part of Strathclyde Region: engineering and metalworking industries. Administrative centre: Motherwell. Pop: 321 820 (2003 est). Area: 1771 sq km (684 sq miles)
- northern kingfish — a croaker, Menticirrhus saxatilis, inhabiting Atlantic coastal waters of the U.S.
- northern rhodesia — former name of Zambia.
- northern studfish — See under studfish.
- not mince matters — to speak frankly
- nursery education — education provided at a school for young children, usually from three to five years old
- observation tower — lookout, observation point
- odds-on favourite — a person, team, horse, etc that is regarded as the most likely to win a competition
- odour of sanctity — sanctimoniousness
- of its own accord — If something happens of its own accord, it seems to happen by itself, without anyone making it happen.
- old south arabian — a group of four closely related Semitic languages, having a writing system and used from about the eighth to the fifth centuries b.c. in the southern part of Arabia.
- 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 cruise control — If you say that someone is on cruise control in a contest, you mean that they are winning the contest easily and without needing to make a lot of effort.
- 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.
- optical isomerism — stereoisomerism in which the isomers are identical in molecular weight and most chemical and physical properties but differ in their effect on the rotation of polarized 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 chemistry — the branch of chemistry, originally limited to substances found only in living organisms, dealing with the compounds of carbon.
- osculating circle — circle of curvature.
- other fish to fry — any of various cold-blooded, aquatic vertebrates, having gills, commonly fins, and typically an elongated body covered with scales.
- otolaryngologists — Plural form of otolaryngologist.
- otto von bismarck — Otto von [ot-oh von;; German aw-toh fuh n] /ˈɒt oʊ vɒn;; German ˈɔ toʊ fən/ (Show IPA), 1815–98, German statesman: first chancellor of modern German Empire 1871–90.
- out of this world — the earth or globe, considered as a planet.
- outside broadcast — An outside broadcast is a radio or television programme that is not recorded or filmed in a studio, but in another building or in the open air.
- over-compensation — a pronounced striving to neutralize and conceal a strong but unacceptable character trait by substituting for it an opposite trait.
- over-conservative — disposed to preserve existing conditions, institutions, etc., or to restore traditional ones, and to limit change.
- overconscientious — Excessively conscientious.
- overnight success — sth or sb suddenly popular
- pacific northwest — the region of North America lying north of the Columbia River and west of the Rockies
- paleobiochemistry — the study of biochemical processes that occurred in fossil life forms.
- paleoconservative — a person advocating an older, traditional type of conservatism, especially in politics.
- 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
- pate de foie gras — See under foie gras.
- patriarchal cross — a Latin cross having a shorter crosspiece above the customary one.
- percussion bullet — a bullet that is exploded by percussion
- 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.