PENNSYLVANIAN PERIOD as NOUN

1. Meaning
   • from 310 million to 280 million years ago
   • warm climate
   • swampy land
   Synonym(s)
   • Pennsylvanian (what does Pennsylvanian mean?)
   • Upper Carboniferous (what does Upper Carboniferous mean?)
   • Upper Carboniferous period (what does Upper Carboniferous period mean?)
   Hypernyms(s) Pennsylvanian period is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower
   • period (what does period mean?)
   • geological period (what does geological period mean?)