| rabid |
of or infected by rabies fanatic: marked by excessive enthusiasm for and intense devotion to a cause or idea; "rabid isolationist"
출처: wordnet.princeton.edu/perl/webwn
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| radiopharmaceutical |
pharmaceutical consisting of a radioactive compound used in radiation therapy
출처: wordnet.princeton.edu/perl/webwn
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| rapeseed oil |
rape oil: edible light yellow to brown oil from rapeseed used also as a lubricant or illuminant
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| ration |
restrict the consumption of a relatively scarce commodity, as during war; "Bread was rationed during the siege of the city" the food allowance for one day (especially for service personnel); "the rations should be nutritionally balanced" a fixed portion that is allotted (especially in times of scarcity) distribute in rations, as in the army; "Cigarettes are rationed"
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| Ra |
radium: an intensely radioactive metallic element that occurs in minute amounts in uranium ores ancient Egyptian sun god with the head of a hawk; a universal creator; he merged with the god Amen as Amen-Ra to become the king of the gods right ascension: (astronomy) the equatorial coordinate specifying the angle, measured eastward along the celestial equator, from the vernal equinox to the intersection of the hour circle that passes through an object in the sky; usually expressed in hours and minutes and seconds; used with declination to specify positions on the celestial sphere; "one hour of right ascension equals fifteen degrees"
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