Trachyte
//ˈtɹeɪkʌɪt// noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A pale igneous rock consisting mostly of potassium feldspar and plagioclase. countable, uncountable
"The type of rock that results is often described as trachyte and contains abundant crystals of a different kind of alkali-rich feldspar, such as sanidine, rather than plagioclase."
Example
More examples"The type of rock that results is often described as trachyte and contains abundant crystals of a different kind of alkali-rich feldspar, such as sanidine, rather than plagioclase."
Etymology
From French trachyte, from Ancient Greek τρᾱχύς (trākhús, “rough”).
Related phrases
More for "trachyte"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.