生せい命めい存そん在ざい指し標ひょう

noun

biosignature

Scientific term used in astrobiology and related fields to refer to any measurable indicator of past or present life.

• 火か星せいの大たい気きから生せい命めい存そん在ざい指し標ひょうを探さがす研けん究きゅうが進すすんでいる。

  Research is progressing to search for biosignatures in the Martian atmosphere.