17-letter words containing p, a, c, e
- mass spectroscopy — an instrument used to determine the masses of small, electrically charged particles.
- maximum principle — the theorem that a function of a complex variable that is analytic in a domain and on its boundary attains its maximum absolute value on the boundary.
- mayflower compact — an agreement to establish a government, entered into by the Pilgrims in the cabin of the Mayflower on November 11, 1620.
- mechanical pencil — a pencil for holding lead that can be extended by mechanical means.
- medical procedure — A medical procedure is a medical treatment or operation.
- meissen porcelain — Dresden china.
- merchant shipping — shipping which is involved in commerce (rather than defence, etc)
- metabolic pathway — biochemistry: sequence of reactions within a cell or organism
- metaperiodic acid — the crystalline compound HIO4, an oxyacid of iodine
- microencapsulated — Encapsulated using microencapsulation.
- micropaleontology — the branch of paleontology dealing with the study of microscopic fossils.
- microphanerophyte — any shrub or tree having a height of 2 to 8 metres
- mitre corporation — (body) A US federally funded R&D center, spun off in 1958 from the MIT Lincoln Laboratory (also an FFRDC). MITRE is a non-profit corporation chartered to do R&D in the public interest. MITRE were responsible for system engineering and implementation oversight of SAGE. MITRE does not stand for MIT Research and Engineering, though it could have.
- moon and sixpence — a novel (1919) by W. Somerset Maugham.
- 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
- mounted policeman — policemen who patrol on horseback
- multiple-unit car — a self-propelled railroad car, generally used in commuting service, equipped so that a train of such cars can be operated from any one of them.
- 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.
- negative particle — a word that indicates negativity, for example 'not' in English or 'ne pas' in French
- nephelometrically — By means of nephelometry.
- neuropathological — (medicine) Of, pertaining to, or arising from neuropathology, the pathology of nerve tissue.
- neuropharmacology — the branch of pharmacology concerned with the effects of drugs on the nervous system.
- neuropsychiatrist — A medical doctor specializing in neuropsychiatry; a medical doctor dealing with disorders that have both neurological and psychiatric features.
- newspaper cutting — clipping from a news publication
- non-reciprocating — to give, feel, etc., in return.
- 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.
- nonimpact printer — a printer that creates images without mechanically impacting the page, as an ink-jet or laser printer.
- occipital condyle — a protrusion on the occipital bone of the skull that forms a joint with the first cervical vertebra, enabling the head to move relative to the neck.
- oceanographically — In terms of oceanography.
- office by example — (language) (OBE) A sequel to QBE, described in publications by Moshe Zloof of IBM in the early 1980s but apparently never implemented.
- olympic peninsula — a large peninsula of W Washington
- omphalomesenteric — (anatomy) Of or pertaining to the umbilicus and mesentery.
- on the pig's back — successful; established
- onomatopoetically — the formation of a word, as cuckoo, meow, honk, or boom, by imitation of a sound made by or associated with its referent.
- open-channel flow — Open-channel flow is a liquid flow in a channel, which has a free liquid surface.
- 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 carrier 3 — (networking) (OC-3) A SONET rate of 3 * 51.84 = 155.52 megabits per second, which matches STS-3.
- optical carrier n — (networking) (OC-n) A SONET rate of n times 51.84 megabits per second.
- 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.
- oregon crab apple — a shrub or small tree, Malus fusca, of the rose family, of the northwestern coast of North America, having hairy leaves, white flowers, and yellow or green oblong fruit.
- 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-appreciation — gratitude; thankful recognition: They showed their appreciation by giving him a gold watch.
- over-compensation — a pronounced striving to neutralize and conceal a strong but unacceptable character trait by substituting for it an opposite trait.
- pacific northwest — the region of North America lying north of the Columbia River and west of the Rockies
- pacific tree frog — a common terrestrial frog, Hyla regilla, of western North America, having a dark stripe along each side of the head.
- pair of compasses — compass (def 7)
- palace revolution — a challenge to or overthrow of a sovereign or other leader by members of the ruling family or group.