oligozän

== German == === Pronunciation === IPA(key): /oliɡoˈt͡sɛːn/ (standard; used naturally in western Germany and Switzerland) IPA(key): /oliɡoˈt͡seːn/ (overall more common; particularly northern and eastern regions) Hyphenation: oli‧go‧zän === Adjective === oligozän (strong nominative masculine singular oligozäner, not comparable) (relational) Oligocene ==== Declension ====