| 释义 |
atomic number 109
Thesaurus| Noun | 1.atomic number 109 - a radioactive transuranic elementelement 109, meitnerium, Mtchemical element, element - any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter |
atomic number 109
Related to atomic number 109: atomic number 110Synonyms for atomic number 109noun a radioactive transuranic elementSynonymsRelated Words |