1
form (as opposed to substance)
彼はそれを小説の形式で表した。
He expressed it in the form of fiction.
2
format;form;style;manner
朝食はバイキング形式だって。
Breakfast is a smorgasbord.
3
formality;form
一般に若者は形式を嫌う。
In general, young people dislike formality.
4
mode;form
5
form (bilinear, quadratic, etc.)