14-letter words containing h, i, p, y
- para-synthesis — the formation of a word by the addition of a derivational suffix to a phrase or compound, as of greathearted, which is great heart plus -ed.
- paroemiography — the writing or collecting of proverbs
- pathologically — of or relating to pathology.
- penny-farthing — a high bicycle of an early type, with one large wheel in front and one small wheel behind.
- penny-pinching — a miserly, niggardly, or stingy person.
- perhydrogenize — perhydrogenate.
- peritrichously — in a peritrichous manner; in a fashion characteristic of a peritrichous organism
- petrochemistry — the branch of chemistry dealing with petroleum or its products.
- petrophysicist — a person who studies, or is an expert in, petrophysics
- phallic symbol — any object, as a cigar or skyscraper, that may broadly resemble or represent the penis, especially such an object that symbolizes power, as an automobile.
- phase velocity — the velocity with which a simple harmonic wave is propagated, equal to the wavelength divided by the period of vibration.
- phenologically — in a phenological manner
- phenotypically — the observable constitution of an organism.
- phenylcarbinol — benzyl alcohol.
- phenylthiourea — a crystalline, slightly water-soluble solid, C 6 H 5 NHCSNH 2 , that is either tasteless or bitter, depending upon the heredity of the taster, and is used in medical genetics and as a diagnostic.
- phonochemistry — the branch of chemistry concerned with the chemical effects of sound and ultrasonic waves
- phosphorolysis — any reaction where chemical bonds are broken down by phosphoric acid or phosphate
- phosphorolytic — of or relating to phosphorolysis
- photocatalysis — the acceleration or retardation of the reaction rate in chemical reactions by light.
- photocatalytic — the acceleration or retardation of the reaction rate in chemical reactions by light.
- photochemistry — the branch of chemistry that deals with the chemical action of light.
- photolytically — in a photolytic manner, by photolytic means
- photosynthesis — 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.
- photosynthetic — 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.
- phthalocyanine — Also called metal-free phthalocyanine. a blue-green pigment, C 3 2 H 1 8 N 8 , derived from phthalic anhydride.
- phyllosilicate — any silicate mineral having the tetrahedral silicate groups linked in sheets, each group containing four oxygen atoms, three of which are shared with other groups so that the ratio of silicon atoms to oxygen atoms is two to five.
- physical layer — (networking) Layer one, the lowest layer in the OSI seven layer model. The physical layer encompasses details such as electrical and mechanical connections to the network, transmission of binary data as changing voltage levels on wires or similar concepts on other connectors, and data rates. The physical layer is used by the data link layer. Example physical layer protocols are CSMA/CD, token ring and bus.
- phytochemistry — the branch of biochemistry dealing with plants and plant processes.
- phytosociology — the branch of ecology dealing with the origin, composition, structure, and classification of plant communities.
- pie in the sky — pie1 (def 8).
- piezochemistry — the study of chemical reactions at high pressures
- pigs might fly — If you say 'pigs might fly' after someone has said that something might happen, you are emphasizing that you think it is very unlikely.
- pitch cylinder — (in a gear or rack) an imaginary surface forming a plane (pitch plane) a cylinder (pitch cylinder) or a cone or frustrum (pitch cone) that moves tangentially to a similar surface in a meshing gear so that both surfaces travel at the same speed.
- play hell with — to throw into confusion and disorder; disrupt
- play the field — an expanse of open or cleared ground, especially a piece of land suitable or used for pasture or tillage.
- play with fire — a state, process, or instance of combustion in which fuel or other material is ignited and combined with oxygen, giving off light, heat, and flame.
- pleurapophysis — one of the lateral processes of a vertebra forming the ribs
- polyphonically — consisting of many voices or sounds.
- 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.
- polysynthesism — the synthesis of various elements.
- 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.
- prepsychedelic — describing the period before the psychedelic era
- primal therapy — a form of psychotherapy in which the patient is encouraged to relive traumatic events, often screaming or crying, in order to achieve catharsis and a breakdown of psychological defenses.
- 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.
- property right — a legal right to or in a particular property.