17-letter words containing s, t, e, r, o, p

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.
metalloproteinase — (enzyme) Any of several proteinases that have a metal atom (often zinc) at their active centre.
microencapsulated — Encapsulated using microencapsulation.
microsoft project — (product) A Microsoft Windows program offering various project management tools.
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
mother spleenwort — a fern, Asplenium bulbiferum, of tropical Africa and Australasia, the fronds often bearing bulbils that sprout into new plants while still attached, grown as an ornamental.
multiple exposure — the filming of more than one scene in a single frame
neurophysiologist — the branch of physiology dealing with the functions of the nervous system.
neuropsychiatrist — A medical doctor specializing in neuropsychiatry; a medical doctor dealing with disorders that have both neurological and psychiatric features.
neuropsychologist — A neurologist or psychologist whose speciality is neuropsychology.
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
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.
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.
over-presumptuous — full of, characterized by, or showing presumption or readiness to presume in conduct or thought, as by saying or doing something without right or permission.
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
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.
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 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.
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.
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.

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