white-ball
One-day cricket format
White-ball refers to forms of cricket played with a white ball rather than the traditional red one—specifically limited-overs formats like One Day Internationals and Twenty20 matches.
These formats use white balls because they're more visible under floodlights for day-night games: He's a white-ball specialist who struggles in Test cricket.
The term distinguishes shorter, often more aggressive cricket from the longer red-ball game.