17-letter words containing p, o, a, c, h
- lexicographically — the writing, editing, or compiling of dictionaries.
- lower paleolithic — See under Paleolithic.
- lymphangiographic — Relating to lymphangiography.
- malay archipelago — an extensive island group in the Indian and Pacific oceans, SE of Asia, including the Greater and Lesser Sunda Islands, the Moluccas, and the Philippines.
- manhattan project — U.S. History. the unofficial designation for the U.S. War Department's secret program, organized in 1942, to explore the isolation of radioactive isotopes and the production of an atomic bomb: initial research was conducted at Columbia University in Manhattan.
- mascarpone cheese — a very rich, white cream cheese of Italy
- mass spectrograph — a mass spectroscope for recording a mass spectrum on a photographic plate.
- metabolic pathway — biochemistry: sequence of reactions within a cell or organism
- microphanerophyte — any shrub or tree having a height of 2 to 8 metres
- microphotographic — Relating to microphotography.
- 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.
- 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.
- 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.
- oceanographically — In terms of oceanography.
- omphalomesenteric — (anatomy) Of or pertaining to the umbilicus and mesentery.
- on the pig's back — successful; established
- open-channel flow — Open-channel flow is a liquid flow in a channel, which has a free liquid surface.
- opisthobranchiate — (zoology) Of or pertaining to the Opisthobranchiata.
- organic psychosis — a severe mental illness produced by damage to the brain, as a result of poisoning, alcoholism, disease, etc
- pacific northwest — the region of North America lying north of the Columbia River and west of the Rockies
- palaeoarchaeology — the branch of archaeology concerned with the earliest fossil remains
- paleobiochemistry — the study of biochemical processes that occurred in fossil life forms.
- parathyroidectomy — the excision of a parathyroid gland.
- pashmina politics — the adoption of political policies immediately after they have gone out of fashion
- pathological liar — a person who tells lies frequently, with no rational motive for doing so.
- patriarchal cross — a Latin cross having a shorter crosspiece above the customary one.
- pebbleweave cloth — an irregularly textured material made from twisted yarn
- pentachlorophenol — a white, crystalline, water-insoluble powder, C 6 Cl 5 OH, used chiefly in fungicides, disinfectants, and wood preservatives.
- personality clash — friction between two people who have different personalities or points of view
- petrarchan sonnet — a sonnet form popularized by Petrarch, consisting of an octave with the rhyme scheme abbaabba and of a sestet with one of several rhyme schemes, as cdecde or cdcdcd.
- phantom pregnancy — the occurrence of signs of pregnancy, such as enlarged abdomen and absence of menstruation, when no embryo is present, due to hormonal imbalance
- pharmacologically — the science dealing with the preparation, uses, and especially the effects of drugs.
- phenethyl alcohol — a colorless, viscous, slightly water-soluble liquid, C 8 H 1 0 O, having a faint roselike odor: used chiefly in perfumery.
- phenyl isocyanate — a liquid reagent, C 7 H 5 NO, having an unpleasant, irritating odor: used chiefly for identifying alcohols and amines.
- phenylformic acid — benzoic acid.
- philanthropically — of, pertaining to, engaged in, or characterized by philanthropy; benevolent: a philanthropic foundation.
- phonetic alphabet — an alphabet containing a separate character for each distinguishable speech sound.
- phonological rule — an operation in generative phonology that substitutes one sound or class of sounds for another in a phonological derivation.
- photodissociation — the dissociation or breakdown of a chemical compound by radiant energy.
- photoreactivation — a process that repairs DNA damaged by ultraviolet light using an enzyme that requires visible light.
- phototherapeutics — the branch of therapeutics that deals with the curative use of light rays.
- photovoltaic cell — a photocell in which an electromotive force is generated by a photovoltaic effect.
- pincushion cactus — any of various low-growing, spiny cacti of the genus Mammillaria.
- pitching rotation — the regular, scheduled succession of starting pitchers designated by a manager: a four-man pitching rotation in September.
- platinic chloride — chloroplatinic acid.