1. relating to or having the characteristics of trachyte, a light-colored volcanic rock with a rough texture
Usage: geological

Examples

• The trachytic lava flows created distinctive ridged formations on the mountainside.
• Geologists identified the trachytic composition of the ancient volcanic deposits.
• The trachytic rock samples showed the characteristic rough, granular texture.
• Trachytic magma typically has high silica content and intermediate viscosity.
• The volcanic dome was composed primarily of trachytic material.
• Trachytic eruptions often produce steep-sided lava domes rather than flowing streams.