16-letter words containing c, h, i, r
- prairie schooner — a type of covered wagon, similar to but smaller than the Conestoga wagon, used by pioneers in crossing the prairies and plains of North America.
- price leadership — the setting of the price of a product or service by a dominant firm at a level that competitors can match, in order to avoid a price war
- primitive church — the early Christian church, especially in reference to its earliest form and organization.
- prince's feather — a tall, showy plant, Amaranthus hybridus erythrostachys, of the amaranth family, having reddish foliage and thick spikes of small, red flowers.
- prince's-feather — a tall, showy plant, Amaranthus hybridus erythrostachys, of the amaranth family, having reddish foliage and thick spikes of small, red flowers.
- prison psychosis — a state of mental confusion, transitory or permanent, brought on by incarceration or by the anticipation of imprisonment.
- prognostic chart — a chart showing the predicted state of the atmosphere for a given time in the future.
- projection booth — a soundproof compartment in a theater where a motion-picture projector is housed and from which the picture is projected on the screen.
- prophylactically — defending or protecting from disease or infection, as a drug.
- propylthiouracil — a white crystalline compound, C 7 H 1 0 N 2 OS, that interferes with the synthesis of thyroid hormone by the thyroid gland: used in the treatment of hyperthyroidism.
- prospect heights — a town in N Illinois.
- prosthetic group — the nonprotein acid constituent of a conjugate protein, as the heme group of hemoglobin.
- protestant ethic — work ethic.
- pseudohistorical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- psychogeriatrics — the psychology of old age.
- public ownership — ownership by the state; nationalization
- purchasing agent — a person who buys materials, supplies, equipment, etc., for a company.
- purchasing power — Also called buying power. the ability to purchase goods and services.
- pyramidal orchid — a chalk-loving orchid, Anacamptis pyramidalis, bearing a dense cone-shaped spike of purplish-pink flowers with a long curved spur
- pyruvic aldehyde — a yellow, liquid compound, C 3 H 4 O 2 , containing both an aldehyde and a ketone group, usually obtained in a polymeric form: used chiefly in organic synthesis.
- quasi-historical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- radio microphone — a microphone incorporating a radio transmitter so that the user can move around freely
- radiographically — the production of radiographs.
- rainbow seaperch — an embiotocid fish, Hypsurus caryi, living off the Pacific coast of North America, having red, orange, and blue stripes on the body.
- re-entry vehicle — the section of a spacecraft or ballistic missile designed to return to earth.
- reaction chamber — the chamber in a rocket engine in which the reaction or combustion of fuel occurs
- recovery vehicle — a truck used to transport motor vehicles which have broken down to another location (generally a repair garage), or to recover vehicles which are no longer on a drivable surface
- recursion theory — (theory) The study of problems that, in principle, cannot be solved by either computers or humans.
- recycling scheme — a scheme enabling the public to recycle waste
- research library — a general or specialized library that collects materials for use in intensive research projects.
- rhynchocephalian — belonging or pertaining to the Rhynchocephalia, an order of lizardlike reptiles that are extinct except for the tuatara.
- riau archipelago — a group of islands belonging to Indonesia, off the SE coast of the Malay Peninsula, at the entrance to the Strait of Malacca. 36,510 sq. mi. (94,561 sq. km).
- rich tea biscuit — any of various semisweet biscuits
- rich text format — (RTF) An interchange format from Microsoft for exchange of documents between Word and other document preparation systems.
- richard stallman — (person) Richard M. Stallman. Founder of the GNU project. He resigned from the AI lab at MIT so he would be free to produce free software which he could then distribute on his own terms. He went on to establish the Free Software Foundation to support the production of free software and ensure its free distribution. E-mail: <[email protected]>.
- richmond heights — a city in E Missouri, near St. Louis.
- right about face — Military. a command, given to a soldier or soldiers at attention, to turn the body about toward the right so as to face in the opposite direction. the act of so turning in a prescribed military manner.
- ring the changes — to make the form, nature, content, future course, etc., of (something) different from what it is or from what it would be if left alone: to change one's name; to change one's opinion; to change the course of history.
- roundabout chair — corner chair.
- saccharification — to convert (starch) into sugar.
- saint catharines — a city in SE Ontario, in SE Canada.
- savonarola chair — a chair of the Renaissance having a number of transverse pairs of curved legs, crossing beneath the seat and rising to support the arms and back.
- scarborough lily — a plant, Vallota speciosa, of the amaryllis family, native to southern Africa, having clusters of funnel-shaped, scarlet flowers.
- schaumburg-lippe — a former state in NW Germany.
- schiff's reagent — a solution of rosaniline and sulfurous acid in water, used to test for the presence of aldehydes.
- schlieren method — a method for detecting regions of differing densities in a clear fluid by photographing a beam of light passed obliquely through it.
- schmaltz herring — herring caught just before spawning, when it has much fat
- schneider trophy — a trophy for air racing between seaplanes of any nation, first presented by Jacques Schneider (1879–1928) in 1913; won outright by Britain in 1931
- school inspector — an official whose job is to inspect schools and to report on their quality and conditions
- school librarian — a librarian who works in or is in charge of a school library