19-letter words containing r, a, n, c, h
- particle technology — Particle technology is knowledge and study which relates to particles, and is used in industry.
- phenylthiocarbamide — 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.
- photoreconnaissance — reconnaissance using aerial photography.
- physical addressing — (networking) The low level addressing scheme used on Ethernet. The 48-bit destination Ethernet address in a packet is compared with the receiving node's Ethernet address. Compare IP address.
- physical impairment — A physical impairment is a condition in which a part of a person's body is damaged or is not working properly.
- pneumoencephalogram — an encephalogram made after the replacement of the cerebrospinal fluid by air or gas, rarely used since the development of the CAT scanner.
- pocket-handkerchief — handkerchief (def 1).
- postsynchronization — the process of adding sound, such as dubbing, to a film or video after shooting or videotaping is completed
- prescription charge — a charge, set by the government, to be paid by a patient for medicines
- professional school — a postgraduate school or college which trains students for a particular profession
- proton-proton chain — a series of thermonuclear reactions, responsible for the energy production in stars like the sun, in which the nuclei of hydrogen atoms are transformed into helium nuclei by sequential addition of single hydrogen nuclei.
- pugwash conferences — international peace conferences of scientists held regularly to discuss world problems: Nobel peace prize 1995 awarded to Joseph Rotblat (1908–2005) , one of the founders of the conferences, secretary-general (1957–73), and president (1988–97)
- quick-change artist — a person adept at changing from one thing to another, as an entertainer who changes costumes quickly during a performance.
- raise one's hackles — one of the long, slender feathers on the neck or saddle of certain birds, as the domestic rooster, much used in making artificial flies for anglers.
- rancho palos verdes — a town in SW California.
- rap on the knuckles — a mild reprimand or light sentence
- rayleigh scattering — the scattering of light by particles that are very small in relation to the wavelength of the light, and in which the intensity of the scattered light varies inversely with the fourth power of the wavelength.
- reciprocal exchange — an unincorporated association formed so that its members can participate in reciprocal insurance.
- redress the balance — to make a fair adjustment; see that justice is done
- regular icosahedron — an icosahedron in which each of the faces is an equilateral triangle
- releasing mechanism — a hypothetical control complex in the central nervous system of animals that triggers the appropriate behavioral response to a releaser.
- resorcinolphthalein — fluorescein.
- reticuloendothelial — pertaining to, resembling, or involving cells of the reticuloendothelial system.
- revenue enhancement — a new tax or a tax increase.
- rhetorical question — a question asked solely to produce an effect or to make an assertion and not to elicit a reply, as “What is so rare as a day in June?”.
- rhodesian ridgeback — a large short-haired breed of dog characterized by a ridge of hair growing along the back in the opposite direction to the rest of the coat. It was originally a hunting dog from South Africa
- rhythmic gymnastics — a form of gymnastics involving movements using hand apparatus such as balls, hoops, and ribbons
- right circular cone — a cone whose surface is generated by lines joining a fixed point to the points of a circle, the fixed point lying on a perpendicular through the center of the circle.
- ring up the curtain — to begin a theatrical performance
- saccharofarinaceous — pertaining to or consisting of sugar and meal.
- sandwich generation — the generation of people still raising their children while having to care for their aging parents.
- scare the pants off — to scare extremely
- scattersite housing — public housing, especially for low-income families, built throughout an urban area rather than being concentrated in a single neighborhood.
- semidetached binary — a pair of stars that are so close together that mass transfer occurs from one to the other
- sissinghurst castle — a restored Elizabethan mansion near Cranbrook in Kent: noted for the gardens laid out in the 1930s by Victoria Sackville-West and Harold Nicolson
- social anthropology — study of human culture
- south african dutch — the Boers.
- south san francisco — a city in central California.
- southern crab apple — a tree, Malus angustifolia, of the eastern U.S., having oblong leaves, fragrant, pink or rose-colored flowers, and small, round, yellow-green fruit.
- spanish west africa — a former overseas territory of Spain in NW Africa: divided in 1958 into the overseas provinces of Ifni and Spanish Sahara
- special partnership — limited partnership.
- spherical astronomy — the branch of astronomy dealing with the determination of the positions of celestial bodies on the celestial sphere.
- st. anthony's cross — a T -shaped cross.
- sweetheart contract — a contract made through collusion between management and labor representatives containing terms beneficial to management and detrimental to union workers.
- sweetheart neckline — a neckline on a woman's garment, as a dress, with a high back and a low-cut front with two curved edges resembling the conventionalized shape of a heart.
- symptomatic anthrax — blackleg.
- synchromesh gearbox — A synchromesh gearbox is a usually manually operated transmission in which a change of gears takes place between gears that are already revolving at the same speed.
- synchronous machine — an alternating-current machine in which the average speed of normal operation is exactly proportional to the frequency of the system to which it is connected.
- tanizaki jun-ichiro — 1886–1965, Japanese novelist, whose works, such as Some Prefer Nettles (1929) and The Makioka Sisters (1943–48), reflect the tension between Western values and Japanese traditions
- teilhard de chardin — Pierre [pyer] /pyɛr/ (Show IPA), 1881–1955, French Jesuit priest, paleontologist, and philosopher.