pionium

n. [核]π介子素(由一个π介子和一个μ子组成的短命的准原子)

词形变化

pioniums 复数 pioniums

释义与例句

n.
  1. 1.

    an exotic atom equivalent to a hydrogen atom with the proton replaced by a pion

    化学 物理
  2. 2.

    an onium where the bound antiparticle-particle pair is a pion and an antipion.

    物理

词源

From pion + -ium.

来源：wiktionary