同義語 第四紀

Japanese WordNet / Princeton WordNet

1. 第四紀noun

   最新の200万年

   last 2 million years

   Instance(s): 時代, 時期, 期間, geological period, period

   Synonym(s): age of man, quaternary, quaternary period

   Meronym(s) (Part): 完新世, 更新世, 氷河期, glacial epoch, holocene, holocene epoch, pleistocene, pleistocene epoch, recent, recent epoch

   Holonym(s) (Part): 新生代, age of mammals, cenozoic, cenozoic era