17-letter words containing p, o, t, s
- lymphocytopoiesis — Lymphopoiesis.
- 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.
- mean piston speed — The mean piston speed is the distance traveled by a piston in a specified amount of time.
- meat and potatoes — If you refer to the meat and potatoes of something, you mean its most basic, simple, and essential parts.
- meat-and-potatoes — fundamental; down-to-earth; basic: What are the meat-and-potatoes issues of the election?
- metalloproteinase — (enzyme) Any of several proteinases that have a metal atom (often zinc) at their active centre.
- microencapsulated — Encapsulated using microencapsulation.
- micromanipulators — Plural form of micromanipulator.
- microsoft project — (product) A Microsoft Windows program offering various project management tools.
- misappropriations — Plural form of misappropriation.
- 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.
- mount robson park — a national park in the Rocky Mountains of E British Columbia, Canada.
- 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 compos mentis — not of sound mind; mentally incapable of managing one's affairs.
- 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.
- nonaccomplishment — Something that does not achieve the intended goal.
- nonphotosynthetic — the complex process by which carbon dioxide, water, and certain inorganic salts are converted into carbohydrates by green plants, algae, and certain bacteria, using energy from the sun and chlorophyll.
- 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 contemptibles — the British expeditionary force to France in 1914
- 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.
- olympic mountains — a mountain range in NW Washington: part of the Coast Range. Highest peak: Mount Olympus, 2427 m (7965 ft)
- 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 the pig's back — successful; established
- on-street parking — parking (of a car, vehicle, etc) that is or is allowed to be done on a street
- one-stop shopping — the provision of everything that a customer or client might require in one place
- 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.