17-letter words containing d, o, r, f, a
- have no words for — to be incapable of describing
- head of the river — any of various annual rowing regattas held on particular rivers
- heart of darkness — a short novel (1902) by Joseph Conrad.
- hybrid fiber coax — (networking) (HFC) A kind of physical connection used in networks for audio, video, and data. DVB (Digital Video Broadcast) is used in Europe and DOCSIS is used in N America.
- hydrofluoric acid — a colorless, fuming, corrosive liquid, HF, an aqueous solution of hydrogen fluoride, used chiefly for etching glass.
- hydrofluorocarbon — Any of a class of partly chlorinated and fluorinated hydrocarbons, used as an alternative to chlorofluorocarbons in foam production, refrigeration, and other processes.
- hydrogasification — a high-temperature, high-pressure process for producing liquid or gaseous fuels from fine particles of coal and hydrogen gas
- induction furnace — a type of electric furnace used for melting a charge of scrap by the heat produced by its own electrical resistance.
- infantry division — a military division composed of infantry
- isherwood framing — a system for framing steel vessels in which light, closely spaced, longitudinal frames are connected by heavy, widely spaced transverse frames with deep webs.
- judgment of paris — the decision by Paris to award Aphrodite the golden apple of discord competed for by Aphrodite, Athena, and Hera.
- kolar gold fields — a city in S India, in SE Karnataka: a major gold-mining centre since 1881. Pop: 176 000 (2005 est)
- life and/or death — If you say that something is a matter of life and death, you are emphasizing that it is extremely important, often because someone may die or suffer great harm if people do not act immediately.
- litigation friend — a person acting on behalf of an infant or other person under legal disability
- loose-leaf binder — a hard cover with metal rings inside which is used to hold loose pieces of paper
- manufactured home — a prefabricated house, assembled in modular sections.
- merchant of death — a company, nation, or person that sells military arms on the international market, usually to the highest bidder and without scruple or regard for political ramifications.
- microfiche reader — a machine that displays on a screen a magnified image of a microfiche
- mode of transport — means of travel
- money-market fund — a mutual fund that invests in the money market.
- niger-kordofanian — a language family comprising Niger-Congo and Kordofanian.
- odds-on favourite — a person, team, horse, etc that is regarded as the most likely to win a competition
- odour of sanctity — sanctimoniousness
- of its own accord — If something happens of its own accord, it seems to happen by itself, without anyone making it happen.
- old norman french — Norman French (sense 1)
- organized ferment — ferment (def 1).
- orifice discharge — Orifice discharge is a model for calculating how quickly a fluid will come out of a punctured vessel or pipe.
- overhead camshaft — a camshaft in an automotive engine that is located in the cylinder head over the engine block rather than in the block. Abbreviation: OHC.
- paratyphoid fever — Also called paratyphoid fever. an infectious disease, similar in some of its symptoms to typhoid fever but usually milder, caused by any of several bacilli of the genus Salmonella other than S. typhi.
- pate de foie gras — See under foie gras.
- performance drugs — the drugs that are taken illegally by athletes to enhance their sporting performance
- phenylformic acid — benzoic acid.
- port orford cedar — a tall tree, Chamaecyparis lawsoniana, of coastal Oregon, having flattened, scalelike foliage and wood highly valued as timber.
- pre-modifications — an act or instance of modifying.
- proficiency badge — an insignia or device granted by the Girl Scouts and worn especially on a uniform to indicate special achievement.
- programming fluid — (jargon) (Or "wirewater") Coffee, unleaded coffee (decaffeinated), Cola, or any caffeinacious stimulant. Many hackers consider these essential for those all-night hacking runs.
- put in a word for — to make favourable mention of (someone); recommend
- 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: .
- receding forehead — a forehead which slopes backwards
- 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
- refractory period — a short period after a nerve or muscle cell fires during which the cell cannot respond to additional stimulation.
- 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.
- road-fund licence — a licence showing that the tax payable in respect of a motor vehicle has been paid
- 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.
- sidesaddle flower — a pitcher plant, Sarracenia purpurea.
- south farmingdale — a town on central Long Island, in SE New York.
- standard function — a subprogram provided by a translator that carries out a task, for example the computation of a mathematical function, such as sine, square root, etc