a very extensive lava flow of basaltic composition that has issued from a fissure, often to be found as part of a series of such flows one on top of another, forming a plateauSee fissure eruption
FOR POSTERITY’S SAKE, TAKE THIS WORD OF THE DAY QUIZ!
Are words your bailiwick? Take the latest quiz on the words from July 6 to July 12 to find out.
Question 1 of 7
Words nearby flood basalt
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