noun
probability variation mode (pachinko)
Abbreviation of 確率変動. Refers to a special mode in pachinko machines where the probability of hitting a jackpot is increased for a certain period after a specific win. Domain-specific pachinko term.
See also: 確率変動
確変に突入すると、大当たりの確率が大幅に上がる。
When it enters probability variation mode, the chance of hitting a jackpot increases significantly.