硝しょう酸さん菌きん

noun

nitrate bacteria; nitrate-forming bacteria

Technical term in microbiology; refers to bacteria that oxidize nitrites into nitrates, such as Nitrobacter.

• 硝しょう酸さん菌きんは土ど壌じょう中ちゅうの窒ちっ素そ循じゅん環かんに重じゅう要ような役やく割わりを果はたしている。

  Nitrate bacteria play an important role in the nitrogen cycle in soil.