倍ばい大だい

noun

double size; twice as large

Refers to something being twice the size of a standard or reference object. Often used in contexts like paper sizes, portions, or dimensions.

• この写しゃ真しんを倍ばい大だいに引ひき伸のばしてください。

  Please enlarge this photo to double size.

• 倍ばい大だいのポスターを壁かべに貼はった。

  I put up a double-size poster on the wall.