| Pu |
plutonium: a solid silvery grey radioactive transuranic element whose atoms can be split when bombarded with neutrons; found in minute quantities in uranium ores but is usually synthesized in nuclear reactors; 13 isotopes are known with the most important being plutonium 239
출처: wordnet.princeton.edu/perl/webwn
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| pull-through |
cleaning implement consisting of an oily rag attached by a cord to a weight; is pulled through the barrel of a rifle or handgun to clean it
출처: wordnet.princeton.edu/perl/webwn
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| pullorum disease |
a serious bacterial disease of young chickens
출처: wordnet.princeton.edu/perl/webwn
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| pumice |
a light glass formed on the surface of some lavas; used as an abrasive rub with pumice, in order to clean or to smoothen
출처: wordnet.princeton.edu/perl/webwn
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| pulmonary anthrax |
a form of anthrax infection acquired by inhalation of dust containing Bacillus anthracis; initial symptoms (chill and cough and dyspnea and rapid pulse) are followed by extreme cardiovascular collapse
출처: wordnet.princeton.edu/perl/webwn
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