ˌanəˈteksə̇s noun
( plural anatex·es -kˌsēz)
Etymology: New Latin, from Greek anatēxis act of melting, thawing, from anatēkein to melt, thaw (from ana- + tēkein to thaw) + -sis — more at thaw
: any process by which plutonic rocks are dissolved and again converted into magmas