17-letter words containing a, e, r, o, s, p
- mascarpone cheese — a very rich, white cream cheese of Italy
- mass spectrograph — a mass spectroscope for recording a mass spectrum on a photographic plate.
- mass spectrometer — a device for identifying the kinds of particles present in a given substance: the particles are ionized and beamed through an electromagnetic field and the manner in which they are deflected is indicative of their mass and, thus, their identity.
- mass spectroscope — an instrument used to determine the masses of small, electrically charged particles.
- mass spectroscopy — an instrument used to determine the masses of small, electrically charged particles.
- meissen porcelain — Dresden china.
- metalloproteinase — (enzyme) Any of several proteinases that have a metal atom (often zinc) at their active centre.
- microencapsulated — Encapsulated using microencapsulation.
- misinterpretation — An instance of misinterpreting.
- misrepresentation — to represent incorrectly, improperly, or falsely.
- mode of transport — means of travel
- mom and pop store — a small retail business, typically family-operated
- morphic resonance — the idea that, through a telepathic effect or sympathetic vibration, an event or act can lead to similar events or acts in the future or an idea conceived in one mind can then arise in another
- muscle dysmorphia — a mental disorder primarily affecting males, characterized by obsessions about a perceived lack of muscularity, leading to compulsive exercising, use of anabolic steroids, etc. Compare body dysmorphic disorder.
- neuropsychiatrist — A medical doctor specializing in neuropsychiatry; a medical doctor dealing with disorders that have both neurological and psychiatric features.
- 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.
- 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.
- omphalomesenteric — (anatomy) Of or pertaining to the umbilicus and mesentery.
- 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.
- 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.
- over-compensation — a pronounced striving to neutralize and conceal a strong but unacceptable character trait by substituting for it an opposite trait.
- overstep the mark — If someone oversteps the mark, they behave in a way that is considered unacceptable.
- pacific northwest — the region of North America lying north of the Columbia River and west of the Rockies
- pair of compasses — compass (def 7)
- 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.
- paradoxical sleep — REM sleep.
- 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
- parker house roll — a soft dinner roll made by folding a flat disk of dough in half.
- 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 theology — the branch of theology dealing with the responsibilities of members of the clergy to the people under their care.
- pate de foie gras — See under foie gras.
- 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.
- 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