stratification
英 [,strætɪfɪ'keɪʃən]
美[,strætɪfɪ'keʃən]
- n. 层理；成层
英英释意
- 1. the act or process or arranging persons into classes or social strata
- 2. the condition of being arranged in social strata or classes within a group
- 3. forming or depositing in layers
- 4. a layered configuration
- 5. the placing of seeds in damp sand or sawdust or peat moss in ordere to preserve them or promote germination