17-letter words containing f, o
- proof of identity — a document or documents used to verify someone's identity
- 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.
- proportional font — a font type in which the width of letters and symbols varies depending on the letter or symbol
- 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
- pseudo-scientific — any of various methods, theories, or systems, as astrology, psychokinesis, or clairvoyance, considered as having no scientific basis.
- publicity officer — a person who is employed to get publicity for an organization, or to provide information about it
- 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.
- put in a word for — to make favourable mention of (someone); recommend
- put one's feet up — relax
- put the finger on — to inform on or identify, esp for the police
- 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.
- quadratic formula — the formula for determining theroots of a quadratic equation from its coefficients: .
- queen of puddings — a pudding made of moist but firm breadcrumb and custard mixture topped with jam and meringue
- rational function — a function that can be written as the quotient of two polynomials with integral coefficients.
- receding forehead — a forehead which slopes backwards
- recruiting office — an office where staff are recruited, esp by the military
- recursion formula — a formula for determining the next term of a sequence from one or more of the preceding terms.
- reduction formula — a formula, such as sin (90° ± A) = cos A, expressing the values of a trigonometric function of any angle greater than 90° in terms of a function of an acute angle
- reflection nebula — a cloud of interstellar gas and dust that reflects the light of neighboring stars.
- reflexive pronoun — A reflexive pronoun is a pronoun such as 'myself' which refers back to the subject of a sentence or clause. For example, in the sentence 'He made himself a cup of tea', the reflexive pronoun 'himself' refers back to 'he'.
- reformed spelling — a revised orthography intended to simplify the spelling of English words, especially to eliminate unpronounced letters, as by substituting thru for through, tho for though, slo for slow, etc.
- refractory period — a short period after a nerve or muscle cell fires during which the cell cannot respond to additional stimulation.
- refuse a proposal — If an insurer refuses a proposal, it does not agree to underwrite a risk proposed by a potential client.
- refuse collection — the collection of rubbish and waste, usually in a rubbish or refuse truck, before final disposal
- refuse destructor — someone responsible for or something that destructs or destroys rubbish and waste
- register of wills — (in some states of the U.S.) the official charged with the probate of wills or with the keeping of the records of the probate court.
- registered office — official business address
- 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 yemen — Republic of, a country in S Arabia, formed in 1990 by the merger of the Yemen Arab Republic and the People's Democratic Republic of Yemen. 207,000 sq. mi. (536,130 sq. km). Capital: Aden.
- republic-of-china — People's Republic of, a country in E Asia. 3,691,502 sq. mi. (9,560,990 sq. km). Capital: Beijing.
- resurrection fern — a drought-resistant, evergreen, epiphytic fern, Polypodium polypodioides, of subtropical to tropical America, appearing to be a ball of coiled, dead leaves in the dry season but reviving with moisture.
- retention of risk — Retention of risk is the net amount of any risk which an insurance company does not reinsure but keeps for its own account.
- return of capital — A return of capital is a situation in which you receive back money that was previously invested.
- returning officer — a public official appointed to conduct and preside at an election.
- rheumatoid factor — an antibody that is found in the blood of many persons afflicted with rheumatoid arthritis and that reacts against globulins in the blood.
- right off the bat — Sports. the wooden club used in certain games, as baseball and cricket, to strike the ball. a racket, especially one used in badminton or table tennis. a whip used by a jockey. the act of using a club or racket in a game. the right or turn to use a club or racket.
- road-fund licence — a licence showing that the tax payable in respect of a motor vehicle has been paid
- rock of gibraltar — a British crown colony comprising a fortress and seaport located on a narrow promontory near the S tip of Spain. 1.875 sq. mi. (5 sq. km).
- roof of the world — Tibet, Plateau of.
- 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
- rough puff pastry — a rich flaky pastry made with butter and used for pie-crusts, flans, etc
- rush one's fences — to proceed with precipitate haste
- rush-hour traffic — the large number of vehicles that move along roads, travelling to or from work at the beginning and end of the working day
- russian wolfhound — borzoi.
- sacrifice paddock — a grassed area allowed to be grazed completely, to be cultivated and resown later
- sacrificial anode — Chemistry. an anode that is attached to a metal object subject to electrolysis and is decomposed instead of the object.