Advertisement

Advertisement

pillow lava

noun

, Geology.
  1. lava in the form of an agglomeration of rounded, pillow-shaped masses, the result of subaqueous or subglacial volcanic eruption.


pillow lava

noun

  1. lava that has solidified under water, having a characteristic structure comprising a series of close-fitting pillow-shaped masses
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


pillow lava

/ pĭlō /

  1. Lava that forms from an underwater eruption and is characterized by pillow-shaped masses. Pillow lava forms when hot lava is suddenly exposed to cold water, forming a sacklike membrane that is filled with additional cooling and solidifying lava. The outer membrane is usually finer grained than the inner lava.


Discover More

Word History and Origins

Origin of pillow lava1

First recorded in 1900–05

Advertisement

Advertisement

Advertisement

Advertisement


pillow lacepillow sham