Definition of pillow lava in English:

pillow lava

Line breaks: pil¦low lava

noun

[mass noun]
Lava which has solidified as rounded masses, characteristic of eruption under water: [count noun]: pillow lavas can now be seen along the once volcanic coast of Green Gardens
More example sentences
  • The ophiolitic rocks comprise a complete ophiolite stratigraphy: i.e. ultramafic cumulates, gabbro, sheeted dykes, pillow lava and local chert and limestone.
  • The group includes melange which consists of greywacke, limestone, pillow lava, gabbro and serpentenite blocks in a black shale matrix.
  • The upper flow unit is well exposed in the Prospect Park quarry and is made up of three types of lava flow structures: massive, columnar basalt, subaqueous, pahoehoe flow lobes, and bedded pillow lava.

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