17-letter words containing p, a, r, f, o, c
- proof of coverage — A policyholder's proof of coverage is a document from an insurer stating that they have insurance coverage.
- proof of purchase — a document, such as a receipt, etc, that proves that you have purchased or bought something
- proof-of-purchase — a sales slip, label, box top, or other item associated with a product that is presentable as evidence of actual purchase, as for claiming a refund or rebate.
- protection factor — a figure representing the relative degree of protection from the sun's rays afforded by a particular sunscreen
- protective tariff — a tariff levied on imports to protect the domestic economy rather than to raise revenue
- purple of cassius — a purple pigment precipitated as a sol by the interaction of gold chloride and a solution of stannic acid and stannous chloride: used chiefly in the manufacture of ruby glass, ceramic glazes, and enamels.
- pyrosulfuric acid — a strong, crystalline acid, H2S2O7, prepared commercially as a heavy, oily, fuming liquid: used in making explosives and dyes, as a sulfating agent, etc.
- refractory period — a short period after a nerve or muscle cell fires during which the cell cannot respond to additional stimulation.
- republic of china — People's Republic of, a country in E Asia. 3,691,502 sq. mi. (9,560,990 sq. km). Capital: Beijing.
- republic of korea — a former country in E Asia, on a peninsula SE of Manchuria and between the Sea of Japan and the Yellow Sea: a kingdom prior to 1910; under Japanese rule 1910–45; now divided at 38° N into North Korea and South Korea. Compare Korean War.
- republic of palau — a republic comprising a group of islands in the W Pacific, in the W Caroline Islands; administratively part of the UN Trust Territory of the Pacific Islands 1947–87; entered into an agreement of free association with the US (1980); became fully independent in 1994. Chief island: Babelthuap. Capital: Ngerulmud on Babelthuap (functions moved from Koror in 2006). Pop: 21 108 (2013 est). Area: 476 sq km (184 sq miles)
- republic-of-china — People's Republic of, a country in E Asia. 3,691,502 sq. mi. (9,560,990 sq. km). Capital: Beijing.
- return of capital — A return of capital is a situation in which you receive back money that was previously invested.
- rotation of crops — a system of rotating in a fixed order the kinds of crops, as grain or grass, grown in the same field, to maintain soil fertility
- sacrifice paddock — a grassed area allowed to be grazed completely, to be cultivated and resown later
- safety precaution — a precaution that is taken in order to ensure that something is safe and not dangerous
- self-appreciation — gratitude; thankful recognition: They showed their appreciation by giving him a gold watch.
- self-purification — a natural process of purifying, as the ability of a body of water to rid itself of pollutants.
- set one's cap for — a close-fitting covering for the head, usually of soft supple material and having no visor or brim.
- sports facilities — places and things for doing sports
- traffic policeman — a policeman controlling traffic, esp while stationed at an intersection, or enforcing traffic regulations
- trapdoor function — a function defined from data by means of a mathematical procedure in such a way that it is easy to obtain the function when the data are known, but when the procedure and data are not known it becomes very difficult to determine the original data: used in cryptography, where the data are the characters of the plain text, or message, and the trapdoor function is the cryptogram.
- unconformity trap — An unconformity trap is a hydrocarbon trap where the closure is made by an unconformity (= a formation of rock layers which represents a gap in the geological record).
- unify corporation — (company) Developers of the Unify relational database. At one time, before Sybase, they were a competitor of Oracle, et al.
- wave-cut platform — a flat surface at the base of a cliff formed by erosion by waves