Ignimbrite (noun)
ig-nim-brite
a fine-grained volcanic rock consisting mainly of welded shards of feldspar and quartz.
Ignimbrite is a compound of two Latin words: ignis, meaning “fire,” and imber, meaning “rain, shower.” Ignis is the source of igneous, ignition.
Example sentences
“The geologists chiseled out a block of ignimbrite to study an ancient volcanic eruption.”
