adj.單原子的

Helium is a monatomic chemically inert gas. 它是單原子惰性氣體。

Thermal expansion of a monatomic nanochain[J]. 引用該論文 黃建平

Helium and argon are monatomic gases. 氦和氬都是單原子氣體。

It is monatomic and extremely inert, forming no known chemical compounds. 它是單原子，極不活潑，沒(méi)有已知的化合物。

The handwritten manuscript titled Quantum theory of the monatomic ideal gas was dated December 1924. 命名為單原子的理想氣體量子說(shuō)的手稿起始于1924年。