- An angle formed by the perpendicular intersection of two straight lines; an angle of 90°.直角，90度角：由两条直线垂直相交而成的角；90°角
- devilfish
- deviling
- devilish
- devilkin
- devilkins
- devilled
- devilling
- devil-may-care
- devilment
- devilments
- devilries
- devilry
- devils
- devil's advocate
- devil's bit
- devil's club
- devil's darning needle
- devil's darning needles
- devil's food
- devil's food cake
- Devil's Island
- devil's paintbrush
- devil's walking stick
- deviltry
- deviltry