layering
/ˈleɪərɪŋ/noun
mass noun
1
- the action of arranging something in layers分层。
1.1
- Geology the presence or formation of layers in sedimentary or igneous rock【地质】（沉积岩或火成岩的）层理, 分层。
2
- the method or activity of propagating a plant by producing layers压条法培育植物。