17-letter words containing o, a, r, s, m
- nondiscrimination — an act or instance of discriminating, or of making a distinction.
- 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.
- nontrinitarianism — The religious belief that rejects the Christian concept of the trinity.
- not mince matters — to speak frankly
- nuclear isomerism — isomerism (def 2).
- nuclear-isomerism — Chemistry. the relation of two or more compounds, radicals, or ions that are composed of the same kinds and numbers of atoms but differ from each other in structural arrangement (structural isomerism) as CH 3 OCH 3 and CH 3 CH 2 OH, or in the arrangement of their atoms in space and therefore in one or more properties. Compare optical isomerism, stereoisomerism.
- omphalomesenteric — (anatomy) Of or pertaining to the umbilicus and mesentery.
- on speaking terms — the act, utterance, or discourse of a person who speaks.
- 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
- 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.
- organic chemistry — the branch of chemistry, originally limited to substances found only in living organisms, dealing with the compounds of carbon.
- 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 harm's way — If someone or something is out of harm's way, they are in a safe place away from danger or from the possibility of being damaged.
- over-compensation — a pronounced striving to neutralize and conceal a strong but unacceptable character trait by substituting for it an opposite trait.
- overhead camshaft — a camshaft in an automotive engine that is located in the cylinder head over the engine block rather than in the block. Abbreviation: OHC.
- overstep the mark — If someone oversteps the mark, they behave in a way that is considered unacceptable.
- pair of compasses — compass (def 7)
- paleobiochemistry — the study of biochemical processes that occurred in fossil life forms.
- 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 per million — the number of units (of a substance) present in a million units of another substance
- pastoral symphony — the Symphony No. 6 in F major (1807–08) by Ludwig van Beethoven.
- 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
- pernicious anemia — Pernicious anemia is a very severe blood disease.
- 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.
- personnel manager — head of Human Resources department
- peterloo massacre — an incident at St Peter's Fields, Manchester, in 1819 in which a radical meeting was broken up by a cavalry charge, resulting in about 500 injuries and 11 deaths
- plains of abraham — a high plain adjoining the city of Quebec, Canada: battlefield where the English under Wolfe defeated the French under Montcalm in 1759.
- plateau's problem — the problem in the calculus of variations of finding the surface with the least area bounded by a given closed curve in space.
- poor man's orange — a grapefruit
- poststructuralism — a variation of structuralism, often seen as a critique, emphasizing plurality of meaning and instability of concepts that structuralism uses to define society, language, etc.
- potassium bromate — a white, crystalline, water-soluble powder, KBrO 3 , used chiefly as an oxidizing agent and as an analytical reagent.
- potassium bromide — a white, crystalline, water-soluble powder, KBr, having a bitter saline taste: used chiefly in the manufacture of photographic papers and plates, in engraving, and in medicine as a sedative.
- potassium nitrate — a crystalline compound, KNO 3 , produced by nitrification in soil, and used in gunpowders, fertilizers, and preservatives; saltpeter; niter.
- poulter's measure — a metrical pattern using couplets having the first line in iambic hexameter, or 12 syllables, and the second in iambic heptameter, or 14 syllables.
- pre-manifestation — an act of manifesting.
- pre-modifications — an act or instance of modifying.
- premonstratensian — a member of a religious order founded at Prémontré in N France in 1120 by St Norbert (about 1080–1134)
- presentationalism — a style of production in which the audience is addressed directly with songs, skits, exposition, etc., and no attempt is made at realism.
- primary processes — the generally unorganized mental activity characteristic of the unconscious and occurring in dreams, fantasies, and related processes.
- prismatic compass — a hand compass equipped with sights and prisms to permit aiming the instrument at a point and at the same time reading the compass direction of the point.
- professional army — an army of trained soldiers
- program statement — a single instruction in a computer program
- pseudo-democratic — pertaining to or of the nature of democracy or a democracy.
- pseudo-moralistic — a person who teaches or inculcates morality.
- radioluminescence — luminescence induced by nuclear radiation.
- recoil escapement — anchor escapement.
- recursion formula — a formula for determining the next term of a sequence from one or more of the preceding terms.