ultraheavy

词形变化

more ultraheavy 比较级 most ultraheavy 最高级

释义与例句

adj.
  1. 1.

    Describing any atom that has a very large atomic weight; especially those that lie beyond fermium in the periodic table

    化学 物理
  2. 2.

    Extremely or exceedingly heavy.

词源

From ultra- + heavy.

来源：wiktionary