unbiuniumWiktionary 原文英美构词拆解unun-前缀bibi-前缀unun-前缀ium-ium后缀un-(added to adjectives or past participles) not · (added to nouns) lack ofbi-Two in number. · Having or possessing two of the root word's quality.un-(added to adjectives or past participles) not · (added to nouns) lack of-ium(chemistry) Used to form the names of metal elements, after the style of early-named elements, as well as the isotopes of hydrogen. · (chemistry词源说明Systematic element name from un- + bi- + un- + -ium.释义名词noun1The systematic element name for the (as yet undiscovered) chemical element with atomic number 121 (symbol Ubu).