shield volcano

IPA/ʃˈiːld vɒlkˈeɪnəʊ/
IPA/ʃˈiːld vɑːlkˈeɪnoʊ/

shield volcano — phrase

1. A type of volcano with a wide, gently-sloping shape, formed when thin, runny lav

1.片語B2
釋義

A type of volcano with a wide, gently-sloping shape, formed when thin, runny lava flows out over long periods and spreads far across the land before it hardens.

例句

The Hawaiian Islands are shield volcanoes built by thousands of years of fluid lava flows.

collocation: fluid lava flows

Dario studied how shield volcanoes grow wider rather than taller over time.

同義詞
  • lava shield

    a less common alternative that highlights the construction material

  • low-profile volcano

    a descriptive term focusing on the shape rather than the formation process

反義詞
  • stratovolcano

    a tall, steep volcano built from alternating layers of lava and ash

  • composite volcano

    another term for a stratovolcano, which has a much steeper slope than a shield volcano