18-letter words containing r, o, f, i
- fulminating powder — powder that explodes by percussion.
- functional program — (language) A program employing the functional programming approach or written in a functional language.
- funding operations — the conversion of government floating stock or short-term debt into holdings of long-term bonds
- funeral procession — ceremonial cortège at a burial
- garden loosestrife — any of various plants belonging to the genus Lysimachia, of the primrose family, having clusters of usually yellow flowers, as L. vulgaris (garden loosestrife) or L. quadrifolia (whorled loosestrife)
- general confession — a prayer confessing sins
- give a person five — to greet or congratulate someone by slapping raised hands
- government deficit — A government deficit is a situation in which a government spends more money than it has.
- grains of paradise — Usually, grains of paradise. one of the pungent, peppery seeds of an African plant, Aframomum melegueta, of the ginger family, used to strengthen cordials and in veterinary medicine.
- grand council fire — a formal gathering of camp fire members requiring a minimum attendance of three troops.
- grist for the mill — If you say that something is grist for the mill, you mean that it is useful for a particular purpose or helps support someone's point of view.
- gulf of california — an arm of the Pacific Ocean, between Sonora and Lower California
- haemorrhagic fever — any of a group of fevers, such as Ebola virus disease and yellow fever, characterized by internal bleeding or bleeding into the skin
- half-open interval — a set of numbers between two given numbers but including only one endpoint.
- hilary of poitiers — Saint, a.d. c300–368, French bishop and theologian.
- hippocratic facies — the sallow facial expression, with listless staring eyes, often regarded as denoting approaching death
- historical fiction — the genre of literature, film, etc., comprising narratives that take place in the past and are characterized chiefly by an imaginative reconstruction of historical events and personages.
- home of the hirsel — Baron, title of Sir Alec Douglas-Home, formerly 14th Earl of Home. 1903–95, British Conservative statesman: he renounced his earldom to become prime minister of Great Britain and Northern Ireland (1963–64); foreign secretary (1970–74)
- hydroflumethiazide — A diuretic drug.
- hyperproliferation — (biology) An abnormally high rate of proliferation of cells by rapid division.
- hyposulfurous acid — an acid, H 2 S 2 O 4 , next in a series below sulfurous acid, known only in solution or in the form of its salts.
- ideas of reference — a schizophrenic symptom in which the patient thinks that things completely disconnected from him are influencing him or conveying messages to him
- ifs, ands, or buts — a supposition; uncertain possibility: The future is full of ifs.
- immunofluorescence — any of various techniques for detecting an antigen or antibody in a sample by coupling its specifically interactive antibody or antigen to a fluorescent compound, mixing with the sample, and observing the reaction under an ultraviolet-light microscope.
- in complete flower — a flower without one or more of the normal parts, as carpels, sepals, petals, pistils, or stamens.
- in praise of folly — Latin Moriae Encomium. a prose satire (1509) by Erasmus, written in Latin and directed against theologians and church dignitaries.
- in the grip of sth — If a person, group, or place is in the grip of something, they are being severely affected by it.
- in the interest of — the feeling of a person whose attention, concern, or curiosity is particularly engaged by something: She has a great interest in the poetry of Donne.
- in the mood for/to — If you say that you are in the mood for something, you mean that you want to do it or have it. If you say that you are in no mood to do something, you mean that you do not want to do it or have it.
- indefinite pronoun — a pronoun, as English some, any, somebody, that leaves unspecified the identity of its referent.
- inferior vena cava — See under vena cava.
- information bureau — an office where you can go to get information
- information centre — help desk, office
- information island — (jargon) A body of information (i.e. electronic files) that needs to be shared but has no network connection.
- information office — an office where you can go to get information
- information system — a computer system or set of components for collecting, creating, storing, processing, and distributing information, typically including hardware and software, system users, and the data itself: the use of information systems to solve business problems.
- information theory — the mathematical theory concerned with the content, transmission, storage, and retrieval of information, usually in the form of messages or data, and especially by means of computers.
- informatory double — a double intended to inform one's partner that one has a strong hand and to urge a bid regardless of the strength of his or her hand.
- infrared astronomy — the study of infrared radiation emitted by celestial objects.
- inspector of taxes — an official of HMRC whose work is to assess individuals' income tax liability
- integrating factor — a factor that upon multiplying a differential equation with the right-hand side equal to zero makes the equation integrable, usually by making the resulting expression an exact differential of some function.
- internet of things — a network of everyday devices, appliances, and other objects equipped with computer chips and sensors that can collect and transmit data through the Internet. Abbreviation: IoT.
- isabella of france — 1292–1358, wife (1308–27) of Edward II of England, whom, aided by her lover, Roger de Mortimer, she deposed; mother of Edward III
- isidore of seville — Saint (Isidorus Hispalensis) a.d. c570–636, Spanish archbishop, historian, and encyclopedist.
- isthmus of corinth — a narrow strip of land between the Gulf of Corinth and the Saronic Gulf: crossed by the Corinth Canal making navigation possible between the gulfs
- king of the forest — the oak tree.
- knight of the road — a tramp
- last in, first out — The expression last in, first out is used to say that the last person who started work in an organization should be the first person to leave it, if fewer people are needed.
- last-in, first-out — an inventory plan based on the assumption that materials constituting manufacturing costs should be carried on the books at the market price of the last lot received. Abbreviation: LIFO. Compare first-in, first-out.
- law of gravitation — a law stating that any two masses attract each other with a force equal to a constant (constant of gravitation) multiplied by the product of the two masses and divided by the square of the distance between them.