Keywords: stratification, stratified
Sign Definition
As a Noun
                                            1.  The act of making levels or the way in which something, especially an organisation or a society, is divided up into levels. English = stratification.
                                          
                                          
                                        As a Verb or Adjective
                                            1.  Especially of an organisation or society, to have lots of strata or levels. English = (be) stratified.