超ちょう大たい陸りく

noun

supercontinent

Geological term for a massive landmass comprising multiple modern continents, such as Pangaea or Gondwana.

• パンゲアは約やく3さん億おく年ねん前まえに存そん在ざいした超ちょう大たい陸りくです。

  Pangaea was a supercontinent that existed about 300 million years ago.

• 超ちょう大たい陸りくの分ぶん裂れつが現げん在ざいの大たい陸りく配はい置ちを生うみ出だした。

  The breakup of the supercontinent produced the current arrangement of continents.