17-letter words containing r, o, f, d, e
- periodic function — a function of a real or complex variable that is periodic.
- 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.
- presiding officer — the person who presides over the Scottish Parliament or Welsh Assembly
- proficiency badge — an insignia or device granted by the Girl Scouts and worn especially on a uniform to indicate special achievement.
- proof of identity — a document or documents used to verify someone's identity
- 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
- 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 destructor — someone responsible for or something that destructs or destroys rubbish and waste
- registered office — official business address
- 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
- roof of the world — Tibet, Plateau of.
- 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.
- self-introduction — the act of introducing or the state of being introduced.
- self-reproduction — the act or process of reproducing.
- sidesaddle flower — a pitcher plant, Sarracenia purpurea.
- smoke-filled room — a place, as a hotel room, for conducting secret negotiations, effecting compromises, devising strategy, etc.
- south farmingdale — a town on central Long Island, in SE New York.
- south frigid zone — the part of the earth's surface between the Antarctic Circle and the South Pole.
- southern studfish — See under studfish.
- stannous fluoride — a white, crystalline powder, SnF 2 , slightly soluble in water: used as a source of fluorine in the prevention of dental caries, especially as a toothpaste additive.
- store and forward — to store (information) in a computer for later forward transmission through a telecommunication network
- sulfonyl chloride — a colorless liquid, SO 2 Cl 2 , having a very pungent odor and corrosive to the skin and mucous membranes: used as a chlorinating or sulfonating agent.
- sulfurated potash — a yellowish-brown mixture consisting mainly of potassium polysulfides and potassium thiosulfate, used in treating mange.
- surface condenser — a device condensing steam or vapor by passing it over a cool surface.
- sword of damocles — Damocles (def 2).
- the confederation — the original 13 states of the United States of America constituted under the Articles of Confederation and superseded by the more formal union established in 1789
- the right side of — in favour with
- thermal diffusion — the separation of constituents, often isotopes, of a fluid under the influence of a temperature gradient.
- to drag your feet — If you drag your feet or drag your heels, you delay doing something or do it very slowly because you do not want to do it.
- traffic diversion — a special route arranged for traffic to follow when the normal route cannot be used
- tree of knowledge — the tree whose fruit Adam and Eve tasted in disobedience of God: Gen. 2, 3
- unclassified road — a road that has not been given a grade because it is of a basic standard
- under the sign of — during that portion of the year when the sun is passing through and thus subject to the influence of (a specified sign of the zodiac)
- vanilla-flavoured — having been flavoured with vanilla extract or essence
- videoconferencing — the holding of videoconferences.
- youthful offender — a young delinquent, especially a first offender, usually from 14 to 21 years old, whom the court tries to correct and guide rather than to punish as a criminal.