14-letter words containing h, e, l, p
- pharmaceutical — pertaining to pharmacy or pharmacists.
- pharmacopoeial — a book published usually under the jurisdiction of the government and containing a list of drugs, their formulas, methods for making medicinal preparations, requirements and tests for their strength and purity, and other related information.
- phase velocity — the velocity with which a simple harmonic wave is propagated, equal to the wavelength divided by the period of vibration.
- 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.
- phenologically — in a phenological manner
- phenotypically — the observable constitution of an organism.
- phenyl acetate — a colorless, water-insoluble liquid, C 8 H 8 O 2 , having a phenolic odor: used chiefly as a solvent.
- phenylbutazone — a potent substance, C 1 9 H 2 0 N 2 O 2 , used to reduce pain and inflammation in rheumatic diseases and gout, and used in veterinary medicine for musculoskeletal disorders.
- phenylcarbinol — benzyl alcohol.
- phenylethylene — styrene.
- 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.
- philanthropize — to treat (persons) in a philanthropic manner.
- 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
- photoduplicate — photocopy.
- photoelectrode — an electrode that, following the absorption of light, can initialize electrochemical transformations
- photogeologist — a person who studies or has a profession in photogeology
- photoluminesce — to produce photoluminescence
- 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.
- phototelegraph — of or relating to phototelegraphy
- phraseological — manner or style of verbal expression; characteristic language: legal phraseology.
- 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.
- pidgin english — a pidgin language based on English formerly used in commerce in Chinese ports.
- pinhole camera — a simple camera in which an aperture provided by a pinhole in an opaque diaphragm is used in place of a lens.
- pink elephants — a facetious name applied to hallucinations caused by drunkenness
- 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.
- pitched battle — a battle in which the orderly arrangement of armed forces and the location have been predetermined.
- plagiocephalic — a deformity of the skull in which one side is more developed in the front, and the other side is more developed in the rear.
- 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
- 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.
- plenum-chamber — a system of mechanical ventilation in which fresh air is forced into the spaces to be ventilated from a chamber (plenum chamber) at a pressure slightly higher than atmospheric pressure, so as to expel foul air.
- 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.
- 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).
- poison hemlock — hemlock (defs 1, 3).
- 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
- polygon pusher — (Or "rectangle slinger"). A chip designer who spends most of his or her time at the physical layout level (which requires drawing *lots* of multi-coloured polygons).