14-letter words containing h, e, s, p
- peritrichously — in a peritrichous manner; in a fashion characteristic of a peritrichous organism
- personal chair — a professorship awarded in recognition of academic achievement
- petrochemicals — substances, such as acetone or ethanol, obtained from petroleum or natural gas
- petrochemistry — the branch of chemistry dealing with petroleum or its products.
- petrophysicist — a person who studies, or is an expert in, petrophysics
- petworth house — a mansion in Petworth in Sussex: rebuilt (1688–96) for Charles Seymour, 6th Duke of Somerset; gardens laid out by Capability Brown; subject of paintings by Turner
- phallocentrism — a doctrine or belief centered on the phallus, especially a belief in the superiority of the male sex.
- phase velocity — the velocity with which a simple harmonic wave is propagated, equal to the wavelength divided by the period of vibration.
- phase-wrapping — (MIT) wrap around.
- pheasant's eye — an annual ranunculaceous plant, Adonis annua (or autumnalis), with scarlet flowers and finely divided leaves: native to S Europe but naturalized elsewhere
- phenolic resin — any of the class of thermosetting resins formed by the condensation of phenol, or of a phenol derivative, with an aldehyde, especially formaldehyde: used chiefly in the manufacture of paints and plastics and as adhesives for sandpaper and plywood.
- phenosafranine — safranine (def 2).
- philippine sea — part of the NW Pacific Ocean, east and north of the Philippines
- phillips curve — a curve that purports to plot the relationship between unemployment and inflation on the theory that as inflation falls unemployment rises and vice versa
- phillips screw — a screw having a cruciform slot into which a screwdriver with a cruciform point (Phillips screwdriver (trademark)) fits
- philosophaster — a person who has only a superficial knowledge of philosophy or who feigns a knowledge he or she does not possess.
- philosopheress — a philosopher who is a woman
- phonochemistry — the branch of chemistry concerned with the chemical effects of sound and ultrasonic waves
- phosphate rock — phosphorite.
- phosphoprotein — a protein, as casein or ovalbumin, in which one or more hydroxyl groups of serine, threonine, or tyrosine are hydroxylated.
- phosphorescent — exhibiting phosphorescence.
- phosphoroscope — an instrument for measuring the duration of evanescent phosphorescence in different substances.
- photochemistry — the branch of chemistry that deals with the chemical action of light.
- photogeologist — a person who studies or has a profession in photogeology
- photoluminesce — to produce photoluminescence
- 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.
- photoresistive — photoconductive
- photosensitive — sensitive to light or similar radiation.
- photosensitize — to make (a material) photosensitive, as by the application of a photosensitive emulsion.
- 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.
- phraseological — manner or style of verbal expression; characteristic language: legal phraseology.
- 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.
- pidgin english — a pidgin language based on English formerly used in commerce in Chinese ports.
- pie in the sky — pie1 (def 8).
- piezochemistry — the study of chemical reactions at high pressures
- pigeon-chested — having a narrow chest that sticks out at the front in an unusual way
- pimento cheese — a processed cheese made from Neufchâtel, cream cheese, Cheddar, or other cheese, flavored with chopped pimientos.
- pink elephants — a facetious name applied to hallucinations caused by drunkenness
- pinking shears — shears that have notched blades, for cutting and simultaneously pinking fabric or for finishing garments with a notched, nonfraying edge.
- plasmapheresis — a type of apheresis in which blood cells are returned to the bloodstream of the donor and the plasma is used, as for tranfusion.
- platform shoes — shoes: thick sole
- platycephalous — flat-headed
- 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.
- plethysmograph — a device for measuring and recording changes in the volume of the body or of a body part or organ.
- pleurapophysis — one of the lateral processes of a vertebra forming the ribs
- plotting sheet — a blank chart having only a compass rose and latitude lines, longitude lines, or both, marked and annotated, as required, by a navigator.