noun
Loanword from English, used in contexts like clothing, food portions, or product sizes.
このTシャツのミディアムサイズはありますか。
Do you have this T-shirt in medium size?
ピザはミディアムサイズで十分だった。
A medium-sized pizza was enough.
Variant with interpunct; less common in running text.
English loanword 'medium size', adopted into Japanese with katakana spelling.