noun
probability fluctuation mode; kakuritsu hendō
Pachinko term: a special mode where the probability of hitting the next jackpot is increased after a certain jackpot. Often abbreviated as 確変 (kakuhen).
See also: 確変
確率変動に入ると、次の大当たりが近くなる。
When you enter probability fluctuation mode, the next jackpot gets closer.
この機種は確率変動の継続率が高い。
This machine has a high continuation rate for probability fluctuation mode.