dacite
Dacite (noun) means a type of igneous volcanic rock. Example: “The geologist identified the pale boulder as dacite.”
How to use dacite
Learner’s notesIn plain EnglishA volcanic rock that geologists name and study.
It is a technical term used mostly in geology.
Fill the gap
Can you complete this real example?
The geologist identified the pale boulder as _____.
Etymology
The word comes from German Dazit, which was based on the Latin name Dacia. It was first used in 1863 by Austrian geologists describing the geology of Transylvania.