Complex sentence: In chemistry, "leakage" carries the meaning of undesirable loss of chemicals; while in electronics, "leakage" means the gradual loss of energy from a cell or capacitor stored with high chemical energy.
Split into simpler sentences: In chemistry, "leakage" carries the meaning of undesirable loss of chemicals. In electronics, "leakage" means the gradual loss of energy from a cell or capacitor stored with high chemical energy.