water curing
/ˈwɔːtə ˌkjʊrɪŋ/ /ˈwɔːtə ˌkjɔːrɪŋ/noun
1The action or practice of administering or undergoing the water cure. Now historical.
2The process of hardening concrete or other material by treatment with water.
Origin
Mid 19th century. From water + curing.