Γ

noun

gamma

The third letter of the Greek alphabet (Γ, γ). Used in mathematics, physics, and other sciences. Also used in loanwords such as ガンマ線 (gamma rays).

• ガンマ線せんは非ひ常じょうに高たかいエネルギーを持もつ電でん磁じ波はです。

  Gamma rays are electromagnetic waves with very high energy.

• 数すう学がくで、Γはガンマ関かん数すうを表あらわす記き号ごうとして使つかわれます。

  In mathematics, Γ is used as a symbol for the gamma function.