noun
The letter C itself, used in alphabet listings, abbreviations, or as a symbol.
アルファベットのCは「シー」と読む。
The letter C is read as 'shii'.
noun
Abbreviation for Celsius temperature scale, often used in weather reports or scientific contexts.
今日の気温は25度Cです。
Today's temperature is 25°C.
noun
cyan
Refers to the color cyan, often in printing or design contexts (CMYK).
このプリンターのCインクが切れた。
The cyan ink of this printer has run out.
noun
The C programming language; often used in compounds like C言語.
See also: C言語
彼はCでOSを書いた。
He wrote an OS in C.
Borrowed from English letter name 'C', used in various technical and everyday abbreviations.