| Rock fever |
brucellosis: infectious bacterial disease of human beings transmitted by contact with infected animals or infected meat or milk products; characterized by fever and headache
출처: wordnet.princeton.edu/perl/webwn
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| rock crystal |
quartz; a transparent form of silicon dioxide (silica), SiO 2 ; used for lenses.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| Rockey-Davis incision |
an incision similar to McBurney's incision, except that the skin incision is transverse rather than vertical.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| Rocky Mountain spotted fever |
Rocky Mountain spotted fever is the most severe and most frequently reported rickettsial illness in the United States, and has been diagnosed throughout the Americas. Some synonyms for Rocky Mountain spotted fever in other countries include "tick typhus", "Tobia fever" (Columbia), "S? Paulo fever" and "fiebre maculosa" (Brazil), and "fiebre manchada" (Mexico). The disease is caused by Rickettsia rickettsii, a species of bacteria that is spread to humans by hard ticks (Ixodidae). ...
출처: en.wikipedia.org/wiki/Rocky_Mountain_spotted_fever
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| rock crystal |
Quartz is the second most abundant mineral in the Earth's crust. It has a hexagonal crystal structure made of trigonal crystallized silica (silicon dioxide, SiO2), with a hardness of 7 on the Mohs scale. Density is 2.6 g/cm³. The typical shape is a six-sided prism that ends in six-sided pyramids, although these are often distorted, or so massive that only part of the shape is apparent from a mined specimen. ...
출처: en.wikipedia.org/wiki/Rock_crystal
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