Library / English Dictionary

    PENNSYLVANIAN PERIOD

    Pronunciation (US): Play  (GB): Play

     I. (noun) 

    Sense 1

    Meaning:

    From 310 million to 280 million years ago; warm climate; swampy landplay

    Synonyms:

    Pennsylvanian; Pennsylvanian period; Upper Carboniferous; Upper Carboniferous period

    Classified under:

    Nouns denoting time and temporal relations

    Instance hypernyms:

    geological period; period (a unit of geological time during which a system of rocks formed)

    Holonyms ("Pennsylvanian period" is a part of...):

    Carboniferous; Carboniferous period (from 345 million to 280 million years ago)

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