| 单词 | mesothorium |
| 释义 | mesothorium[ mez-oh-thawr-ee-uhm, -thohr-, mes-, mee-zoh-, -soh- ] / ˌmɛz oʊˈθɔr i əm, -ˈθoʊr-, ˌmɛs-, ˌmi zoʊ-, -soʊ- / noun Chemistry.one of two radioactive decay products of thorium, an isotope of radium or actinium. Words nearby mesothoriummesotendineum, mesothelioma, mesothelium, mesotherapy, mesothorax, mesothorium, mesotron, mesovarium, Mesozoa, mesozoan, Mesozoic Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for mesothoriummesothorium / (ˌmɛsəʊˈθɔːrɪəm) / nounphysics obsolete either of the two radioactive elements which are decay products of thorium. Mesothorium I is now called radium-228. Mesothorium II is now called actinium-228 Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
| 随便看 |
英语词典包含192737条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。