| roentgenologist | A person skilled in the diagnostic or therapeutic application of roentgen rays; a radiologist. (05 Mar 2000) |
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| roentgenology | <specialty> Radiology is also known as roentgenology after Wilhelm Conrad Roentgen who discovered X-rays in 1895. Both terms refer to the science of radiation, both ionizing (like X-ray) and nonionizing (like ultrasound), applied to the diagnosis and treatment of disease. (12 Dec 1998) |
| roentgenometer | 1. A forestaff. 2. <physics> An instrument designed for measuring the mechanical effect of radiant energy. It consists of a number of light discs, blackened on one side, placed at the ends of extended arms, supported on an a pivot in an exhausted glass vessel. When exposed to rays of light or heat, the arms rotate. Origin: L. Radius radius: cf. F. Radiometre. Source: Websters Dictionary (01 Mar 1998) |
| roentgenometry | Measurement of an administered therapeutic or diagnostic dose and the penetrating power of X-rays. Synonym: X-ray dosimetry. (05 Mar 2000) |
| roentgenoscope | <instrument, radiology> A fluoroscope is an imaging device that uses X-rays to view internal body structures on a screen. (09 Oct 1997) |
| roentgenoscopy | <radiology> An X-ray procedure that makes it possible to see internal organs in motion. (12 Dec 1998) |
| roentgenotherapy | <oncology> The treatment of disease by ionising radiation. Origin: Gr. Therapeia = cure (18 Nov 1997) |
| Roesler-Bressler infarct | Infarction involving the septum along with both inferior and anterior walls to make an H-or dumbbell-shaped configuration. Synonym: Roesler-Bressler infarct. (05 Mar 2000) |
| roestone | <chemical> Same as Oolite. Source: Websters Dictionary (01 Mar 1998) |
| roentgenographic |
relating to or produced by roentgenography
출처: wordnet.princeton.edu/perl/webwn
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| roentgen ray |
(Or Roentgen ray.) Same as x-ray; rarely used these days. X-ray was the coinage of Wilhelm R?tgen, who discovered them. Boorse, HA, and L. Motz, 1966: The World of the Atom, Vol. I, 385?01.
출처: amsglossary.allenpress.com/glossary/browse
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| roentgen |
(symbol: r) Obsolete unit of ionizing radiation. The SI unit is the sievert (symbol: Sv; 1 Sv ?8.4 r)
출처: www.fao.org/docrep/003/X3910E/X3910E21.htm
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| roentgen |
(1843-1923) Discoverer of X-rays (1895). Nobel Prize for physics 1901.
출처: www.embassy.org.nz/encycl/r4encyc.htm
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| roentgen |
Unit of exposure to x rays or gamma rays having energies < 3 MeV. One roentgen = 2.58 x 10 -4 coulomb per kilogram of air.
출처: www.hc-sc.gc.ca/hecs-sesc/ccrpb/publication/safety...
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| roe | radiography that uses X-rays to produce a roentgenogram |
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| roe | an X-ray machine that combines an X-ray source and a fluorescent screen to enable direct observation |