stratovolcano

/ˌstrætoʊvɑlˈkeɪnoʊ/
noun
  1. A tall, steep-sided volcano built up by many layers of hardened lava, ash, and rock over time.
    • The hikers admired the symmetrical cone of the stratovolcano from a distance.
    • Mount Fuji in Japan is a famous stratovolcano that last erupted in 1707.
    • Scientists monitor stratovolcanoes closely because they can produce violent eruptions.