basalt

/หˆbรฆsษ’lt/

IPA: /B AH0 S AO1 L T/

noun
  1. 1

    A hard mafic igneous rock of varied mineral content; volcanic in origin, which makes up much of the Earth's oceanic crust.

  2. 2

    A type of unglazed pottery.

Source: https://en.wiktionary.org/wiki/basalt