17-letter words containing r, a, d, i, o, p
- 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)
- sacrifice paddock — a grassed area allowed to be grazed completely, to be cultivated and resown later
- sexual dimorphism — the condition in which the males and females in a species are morphologically different, as with many birds.
- six-speed gearbox — a gearbox containing a system of six gears
- sleep deprivation — a condition in which you have not had enough sleep
- sodium propionate — a transparent, crystalline, water-soluble powder, C 3 H 5 NaO 2 , used in foodstuffs to prevent mold growth, and in medicine as a fungicide.
- sodium pyroborate — borax1 .
- sodium-vapor lamp — an electric lamp in which sodium vapor is activated by current passing between two electrodes, producing a yellow, glareless light: used on streets and highways.
- spectroradiometer — an instrument for determining the radiant-energy distribution in a spectrum, combining the functions of a spectroscope with those of a radiometer.
- spiny-headed worm — any of a small group of endoparasites of the phylum Acanthocephala, as larvae parasitic in insects and crustaceans and as adults in various vertebrates.
- split keyboarding — the act or practice of editing data from one terminal on another terminal
- spotted sandpiper — a North American sandpiper, Actitis macularia, that has brownish-gray upper parts and white underparts, and is spotted with black in the summer.
- spread your wings — if you spread your wings, you do something new and rather difficult or move to a new place, because you feel more confident in your abilities than you used to and you want to gain wider experience
- superaerodynamics — the branch of aerodynamics that deals with gases at very low densities.
- supervisory board — a board of management of which nonmanagerial workers are members, having supervisory powers over some aspects of management decision-making
- take in good part — to respond to (teasing) with good humour
- telescopic damper — a device with telescopic parts that reduce vibration in a motor vehicle
- temporomandibular — of, relating to, or situated near the hinge joint formed by the lower jaw and the temporal bone of the skull.
- the tabloid press — (considered as a whole) newspapers with pages about 30 cm (12 inches) by 40 cm (16 inches), usually characterized by an emphasis on photographs and a concise and often sensational style
- trapdoor function — a function defined from data by means of a mathematical procedure in such a way that it is easy to obtain the function when the data are known, but when the procedure and data are not known it becomes very difficult to determine the original data: used in cryptography, where the data are the characters of the plain text, or message, and the trapdoor function is the cryptogram.
- triskaidekaphobia — fear or a phobia concerning the number 13.
- tropical medicine — the branch of medicine dealing with the study and treatment of diseases occurring in the tropics.
- undercompensation — to compensate or pay less than is fair, customary, or expected.
- video disk player — a device that reads the information on a video disc
- wood preservative — a coating applied to timber as a protection against decay, insects, weather, etc