单词	radium
释义	radiumra‧di‧um /ˈreɪdiəm/ noun [uncountable] Word Origin WORD ORIGINradium Origin: 1800-1900 Modern Latin, Latin radius; ➔ RADIUS Examples EXAMPLES FROM THE CORPUS And the voice touched radium in me. He developed cancer, and despite radium treatment - after which all his hair fell out - he was declared terminally ill. One curie is equal to the radioactivity of one gram of radium. Soon after, Marie Sklodowska-Curie made the crucial discovery and isolation of radium, a radioactive element. The radium clock will open the First Vault in three months. The early use of X-rays and radium for the treatment of cancer was very much a matter of trial and error. word sets WORD SETS► Elements aluminium, nounargon, nounarsenic, nounbarium, nounbase metal, nounbismuth, nouncadmium, nouncaesium, nouncalcium, nouncarbon, nounchlorine, nounchromium, nouncobalt, nouncopper, nounferrous, adjectivegold, noungold, adjectivegolden, adjectivehalogen, nounhydro-, prefixhydrogen, nouniodine, nouniridium, nouniron, nounisotope, nounkrypton, nounlead, nounlithium, nounmagnesium, nounmanganese, nounmercury, nounmolybdenum, nounnickel, nounnitrogen, nounoxygen, nounphosphorus, nounplatinum, nounplutonium, nounpotassium, nounprecious metal, nounradium, nounradon, nounselenium, nounsilicon, nounsilver, nounsilver, adjectivesodium, nounstrontium, nountin, nountin, adjectivetitanium, nountrace element, nountungsten, nounuranium, nounxenon, nounzinc, noun a white metal that is radioactive and is used in the treatment of diseases such as cancer. It is a chemical element: symbol Ra
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