確率変動 かくりつへんどう Meanings Noun system by which hitting a certain jackpot increases the probability of hitting the next jackpot (on prepaid card pachinko machines) See also: 確変 (かくへん). Kanji 確 certain. Read as カク. 率 rate. Read as リツ. 変 change. Read as ヘン. 動 move. Read as ドウ. Jinuma: Japanese Dictionary · Word lists