分ぶん解かい電でん圧あつMeanings1noundecomposition voltageTechnical term in electrochemistry; the minimum voltage required to cause electrolysis or decomposition of a substance.水みずの分解ぶんかいでん電圧あつはやくいっは約てんにさん1.23ボルトです。The decomposition voltage of water is about 1.23 volts.
