dacite
noun
a gray volcanic rock similar to andesite but bearing quartz as a distinct characteristic.
dacitic
-
a word derived from
dacite.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Mount St. Helens’ eruptive history began roughly 40,000 years ago with dacitic volcanism, behavior that tends to be explosive and yields large amounts of ash and pumice.
From Seattle Times ● Nov. 7, 2023
