/ig"nim bruyt'/ , n. Petrol.
a fine-grained volcanic rock consisting mainly of welded shards of feldspar and quartz. Also called welded tuff .
[ 1932; ign ( is ) fire + imbr-, s. of imber rain, shower + -ITE 1 ]
/ig"nim bruyt'/ , n. Petrol.
a fine-grained volcanic rock consisting mainly of welded shards of feldspar and quartz. Also called welded tuff .
[ 1932; ign ( is ) fire + imbr-, s. of imber rain, shower + -ITE 1 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012