17-letter words containing p, h, a, r
- spanish civil war — the civil war in Spain 1936–39.
- spark photography — photography of fast-moving objects, as bullets, by the light of an electric spark.
- spectroheliograph — an apparatus for making photographs of the sun with a monochromatic light to show the details of the sun's surface and surroundings as they would appear if the sun emitted only that light.
- spherical polygon — a closed figure formed by arcs of great circles on a spherical surface.
- spiny-headed worm — any of a small group of endoparasites of the phylum Acanthocephala, as larvae parasitic in insects and crustaceans and as adults in various vertebrates.
- spiritual healing — faith healing
- spongy parenchyma — the lower layer of the ground tissue of a leaf, characteristically containing irregularly shaped cells with relatively few chloroplasts and large intercellular spaces.
- spruce gall aphid — any of various homopterous insects of the family Adelgidae, as Adelges abietis (spruce gall aphid) and Pineus pinifoliae (pine leaf aphid) that feed and form galls on conifers.
- stereolithography — a process for creating three-dimensional objects using a computer-controlled laser to build up the required structure, layer by layer, from a liquid photopolymer that solidifies.
- stereophotography — photography producing stereoscopic images.
- stymphalian birds — a flock of predacious birds of Arcadia that were driven away and killed by Hercules as one of his labors.
- sulfurated potash — a yellowish-brown mixture consisting mainly of potassium polysulfides and potassium thiosulfate, used in treating mange.
- support mechanism — any formal system or method of providing support or assistance
- swash plate motor — a collar or face plate on a shaft that is inclined at an oblique angle to the axis of rotation and converts reciprocating motion to rotation
- teaching practice — Teaching practice is a period that a student teacher spends teaching at a school as part of his or her training.
- technical support — an advising and troubleshooting service provided by a manufacturer, typically a software or hardware developer, to its customers, often online or on the telephone.
- temperature chart — a chart monitoring and recording somebody's body temperature, as of a patient at a hospital, etc
- terephthalic acid — a white, crystalline, water-insoluble solid, C 8 H 6 O 2 , the para isomer of phthalic acid: used chiefly in the manufacture of resins and textile fibers.
- tertiary syphilis — the third stage of syphilis, characterized by involvement of the internal organs, especially the brain, spinal cord, heart, and liver.
- the electoral map — a map showing the distribution of constituencies over a country
- the lord's prayer — the, the prayer given by Jesus to His disciples, and beginning with the words Our Father. Matt. 6:9–13; Luke 11:2–4.
- the metamorphosis — a short story (1915) by Franz Kafka.
- the past anterior — a French tense: the pluperfect
- the peace process — negotiations (between governments, countries, ect) towards peace or the resolution of a conflict
- the popular press — cheap newspapers with a mass circulation; the tabloid press
- the prairie state — a nickname for the state of Illinois in the U.S.
- the primrose path — a pleasurable way of life
- the rail-splitter — Lincoln2
- the tabloid press — (considered as a whole) newspapers with pages about 30 cm (12 inches) by 40 cm (16 inches), usually characterized by an emphasis on photographs and a concise and often sensational style
- the-metamorphosis — a short story (1915) by Franz Kafka.
- thematic approach — teaching organized by theme rather than by school subject
- therapeutic index — the ratio between the dosage of a drug that causes a lethal effect and the dosage that causes a therapeutic effect.
- therapeutic touch — the laying on of hands by a healer
- thermal expansion — expansion caused by heat
- thermal pollution — a rise in the temperature of rivers or lakes that is injurious to water-dwelling life and is caused by the disposal of heated industrial waste water or water from the cooling towers of nuclear power plants.
- throat microphone — a microphone worn around the throat and actuated by vibrations of the larynx, used when background noise would obscure the sound of speech, as in an airplane cockpit.
- tiglath-pileser i — died 1102? b.c, king of Assyria c1115–1102?.
- to keep your head — If you keep your head, you remain calm in a difficult situation. If you lose your head, you panic or do not remain calm in a difficult situation.
- to play with fire — If you say that someone is playing with fire, you mean that they are doing something dangerous that may result in great harm for them and cause many problems.
- transdermal patch — a small piece of material used to mend a tear or break, to cover a hole, or to strengthen a weak place: patches at the elbows of a sports jacket.
- trick photography — photography that creates an illusion
- triskaidekaphobia — fear or a phobia concerning the number 13.
- turbosupercharger — (formerly) a turbocharger.
- twelve patriarchs — any of the sons of Jacob ((the twelve patriarchs),) from whom the tribes of Israel were descended.
- ultrametamorphism — metamorphism during which the temperature of a rock exceeds its melting point.
- up/raise the ante — If you up the ante or raise the ante, you increase your demands when you are in dispute or fighting for something.
- upper paleolithic — See under Paleolithic.
- varix lymphaticus — a similar condition affecting an artery or lymphatic vessel
- ventura publisher — Corel VENTURA
- vulcan death grip — (jargon) A variant of Vulcan nerve pinch derived from a Star Trek classic epsisode where a non-existant "Vulcan death grip" was used to fool Romulans that Spock had killed Kirk.