壊変毎秒 かいへんまいびょう Meanings Noun decays per second; disintegrations per second; dps See also: ベクレル. Kanji 壊 destroy. Read as カイ. 変 change. Read as ヘン. 毎 every. Read as マイ. 秒 second. Read as ビョウ. Word lists Physics Jinuma: Japanese Dictionary · Word lists