17-letter words containing r, d, o
- quattuordecillion — a cardinal number represented in the U.S. by 1 followed by 45 zeros, and in Great Britain by 1 followed by 84 zeros.
- quick on the draw — having fast reflexes
- radial keratotomy — a surgical technique for correcting nearsightedness by making a series of spokelike incisions in the cornea to change its shape and focusing properties.
- radiation pattern — the graphic representation of the strength and direction of electromagnetic radiation in the vicinity of a transmitting aerial
- radiation therapy — x-rays used as treatment
- radio alarm clock — an alarm clock which consists of a radio that can be set to play at a particular time
- radio in the loop — Wireless Local Loop
- radio-transparent — transparent to radiation; invisible in x-ray photographs and under fluoroscopy (opposed to radiopaque).
- radioactive decay — decay (def 8).
- radioactive waste — the radioactive by-products from the operation of a nuclear reactor or from the reprocessing of depleted nuclear fuel.
- radioluminescence — luminescence induced by nuclear radiation.
- radiometeorograph — a device for the automatic transmission by radio of the data from a set of meteorological instruments
- rail detector car — a car equipped with special instruments and used to locate defects in rails.
- railroad crossing — place for vehicles to cross train tracks
- rapid prototyping — (programming) The creation of a working model of a software module to demonstrate the feasibility and suitability of the function. The prototype is expected to be replaced or refined before inclusion in the final product. Rapid prototyping contrasts with a DIRFT approach which emphasises careful design and implementation to avoid the overheads of debugging and testing prototype code. Rapid prototyping is appropriate when the requirements are unclear or likely to change (which is most of the time).
- rat-tailed maggot — the aquatic larva of any of several syrphid flies of the genus Eristalis, that breathes through a long, thin tube at the posterior end of its body.
- rattle one's dags — to hurry up
- read the riot act — an English statute of 1715 providing that if 12 or more persons assemble unlawfully and riotously, to the disturbance of the public peace, and refuse to disperse upon proclamation they shall be considered guilty of felony.
- read-write memory — a type of computer memory that you can write to as well as read from
- reading knowledge — the ability to read a language, but not speak it
- receding forehead — a forehead which slopes backwards
- recorded delivery — If you send a letter or parcel recorded delivery, you send it using a Post Office service which gives you an official record of the fact that it has been posted and delivered.
- recording session — a period of time devoted to recording music in a studio
- recreation ground — an open space for public recreation, esp one in a town, with swings and slides, etc, for children
- recreational drug — drug taken for pleasure
- red-osier dogwood — Also called red-osier dogwood. a North American dogwood, Cornus sericea (or C. stolonifera), having red twigs and branches and white fruits.
- redemption center — a commercial establishment at which trading stamps of a specific brand may be exchanged for merchandise.
- redistributionist — a person who believes in, advocates, or supports income redistribution.
- reduce to silence — If someone or something reduces you to silence, they make you feel so upset or confused that you cannot speak.
- 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
- registered stocks — stocks officially registered to the name of the owner
- reiter's syndrome — a disease of unknown cause, occurring primarily in adult males, marked by urethritis, conjunctivitis, and arthritis.
- remote-controlled — A remote-controlled machine or device is controlled from a distance by the use of radio or electronic signals.
- reported question — A reported question is a question which is reported using a clause beginning with a word such as 'why' or 'whether', as in 'I asked her why she'd done it'.
- reproductive cell — gamete.
- restraining order — a judicial order to forbid a particular act until a decision is reached on an application for an injunction.
- retarded ignition — late ignition, which may cause the engine to under-perform
- revealed religion — religion based chiefly on the revelations of God to humans, especially as described in Scripture.
- revealed theology — theology based on the doctrine that all religious truth is derived exclusively from the revelations of God to humans.
- 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.
- rhode island bent — a European pasture grass, Agrostis tenuis, naturalized in North America, having red flower clusters.
- rhodope mountains — a mountain range in SE Europe, in the Balkan Peninsula extending along the border between Bulgaria and Greece. Highest peak: Golyam Perelik (Bulgaria), 2191 m (7188 ft)
- rio grande do sul — a state in S Brazil. 107,923 sq. mi. (279,520 sq. km). Capital: Pôrto Alegre.
- road construction — the building of roads
- road-fund licence — a licence showing that the tax payable in respect of a motor vehicle has been paid
- rodolphe kreutzer — Rodolphe [raw-dawlf] /rɔˈdɔlf/ (Show IPA), 1766–1831, French violinist.