leach
Word family nounleachateleachingadjectiveleachyverbleach
leach /liːtʃ/ (also leach out) verb [intransitiveI, transitiveT] → leechtechnicalHE if a substance leaches or is leached from a larger mass such as the soil, it is removed from it by water passing through the larger mass (使)滤掉,过滤 The manufacturers say that there is no danger of the aluminium leaching into the water. 生产厂家说不会有铝渗入水中的危险。
Origin leach Old English leccan “to make wet”