Ι

noun

iota

The ninth letter of the Greek alphabet (Ι, ι). Used in mathematics, science, and as a symbol.

• ギリシャ文も字じのイオタは「Ι」と書かきます。

  The Greek letter iota is written as 'Ι'.

• 数すう学がくでイオタは虚きょ数すう単たん位いを表あらわすことがあります。

  In mathematics, iota sometimes represents the imaginary unit.