noun1. the arrangement of sedimentary rocks in distinct layers (strata), each layer representing the sediment deposited over a specific period
2. the act of stratifying or state of being stratified
3. sociology social stratification
Word origin
C17 (in the obsolete sense: the act of depositing in layers) and C18 (in the currentsenses): from New Latin
strātificātiōnem, from
stratificāre to
stratify