14-letter words containing p, r, o, h, i
- phosphorolysis — any reaction where chemical bonds are broken down by phosphoric acid or phosphate
- phosphorolytic — of or relating to phosphorolysis
- photochemistry — the branch of chemistry that deals with the chemical action of light.
- photoengraving — a photographic process of preparing printing plates for letterpress printing.
- photographical — of or relating to photography.
- photoperiodism — the response, as affecting growth or reproduction, of an organism to the length of exposure to light in a 24-hour period.
- photorealistic — a style of painting flourishing in the 1970s, especially in the U.S., England, and France, and depicting commonplace scenes or ordinary people, with a meticulously detailed realism, flat images, and barely discernible brushwork that suggests and often is based on or incorporates an actual photograph.
- photoreception — the physiological perception of light.
- photoreceptive — of or relating to photoreception
- photorecording — the act of making photographic records, especially of documents.
- photoreduction — a reduction reaction induced by light.
- photoresistive — photoconductive
- phraseological — manner or style of verbal expression; characteristic language: legal phraseology.
- phytochemistry — the branch of biochemistry dealing with plants and plant processes.
- piece together — a separate or limited portion or quantity of something: a piece of land; a piece of chocolate.
- piezochemistry — the study of chemical reactions at high pressures
- pigeon-hearted — timid; meek.
- pinhole camera — a simple camera in which an aperture provided by a pinhole in an opaque diaphragm is used in place of a lens.
- pithecanthrope — (sometimes initial capital letter) a member of the former genus Pithecanthropus.
- plesiochronous — (communications) Nearly synchronised, a term describing a communication system where transmitted signals have the same nominal digital rate but are synchronised on different clocks. According to ITU-T standards, corresponding signals are plesiochronous if their significant instants occur at nominally the same rate, with any variation in rate being constrained within specified limits.
- pleurapophysis — one of the lateral processes of a vertebra forming the ribs
- poikilothermal — cold-blooded (def 1 .) (opposed to homoiothermal).
- poikilothermia — Medicine/Medical. the inability to regulate core body temperature (as by sweating to cool off or by putting on clothes to warm up), found especially in some spinal cord injury patients and in patients under general anesthesia.
- poikilothermic — cold-blooded (def 1 .) (opposed to homoiothermal).
- point of honor — an issue that affects one's honor, reputation, etc.: It was a point of honor with him to avenge any insult to his family.
- polar zenithal — a type of map projection in which part of the earth's surface is projected onto a plane tangential to it at one of the poles
- polyphosphoric — as in polyphosphoric acid, any oxyacid of pentavalent phosphorus
- polysaccharide — a carbohydrate, as starch, inulin, or cellulose, containing more than three monosaccharide units per molecule, the units being attached to each other in the manner of acetals, and therefore capable of hydrolysis by acids or enzymes to monosaccharides.
- popcorn stitch — a crochet stitch made with a number of loose stitches fastened in a common base so that the yarn puffs up, looking much like a piece of popcorn
- porcupine fish — any of several fishes of the family Diodontidae, especially Diodon hystrix, of tropical seas, capable of inflating the body with water or air until it resembles a globe, with erection of the long spines covering the skin.
- porphyrization — reduction to a powder, formerly done on a slab of porphyry.
- porphyrogenite — a prince born after his father has succeeded to the throne
- port authority — a government commission that manages bridges, tunnels, airports, and other such facilities of a port or city.
- port elizabeth — a seaport in the SE Cape of Good Hope province, in the S Republic of South Africa.
- port nicholson — the first British settlement in New Zealand, established on Wellington Harbour in 1840: grew into Wellington
- postmastership — the office or position of a postmaster
- prairie school — a group of early 20th-century architects of the Chicago area who designed houses and other buildings with emphasized horizontal lines responding to the flatness of the Midwestern prairie; the best-known member was Frank Lloyd Wright.
- pride of china — the chinaberry, Melia azedarach.
- primary growth — growth in vascular plants, especially an increase in length, that results from cell division and differentiation of an apical meristem.
- primary phloem — phloem derived directly from the growth of an apical meristem.
- primary school — a school usually covering the first three or four years of elementary school and sometimes kindergarten.
- printing house — a company engaged in the business of producing printed matter
- private school — a school founded, conducted, and maintained by a private group rather than by the government, usually charging tuition and often following a particular philosophy, viewpoint, etc.
- pro-censorship — the act or practice of censoring.
- pro-euthanasia — Also called mercy killing. the act of putting to death painlessly or allowing to die, as by withholding extreme medical measures, a person or animal suffering from an incurable, especially a painful, disease or condition.
- profit sharing — the sharing of profits, as between employer and employee, especially in such a way that the employee receives, in addition to wages, a share in the profits of the business.
- profit-sharing — the sharing of profits, as between employer and employee, especially in such a way that the employee receives, in addition to wages, a share in the profits of the business.
- progenitorship — parenthood; the position of being a progenitor
- prohibitionist — a person who favors or advocates prohibition.
- prominent moth — any moth of the family Notodontidae characterized by tufts of scales on the back edge of the forewing that stand up prominently at rest and give the group its name. It includes the puss moth and buff-tip as well as those with prominent in the name