trachyte


tra·chyte

noun \ˈtra-ˌkīt, ˈtrā-\

Definition of TRACHYTE

:  a usually light-colored volcanic rock consisting chiefly of potash feldspar

Origin of TRACHYTE

French, from Greek trachys rough
First Known Use: 1821

trachyte

noun    (Concise Encyclopedia)

Light-coloured, very fine-grained igneous rock composed chiefly of alkali feldspar with only minor mafic minerals (biotite, hornblende, or pyroxene). Trachyte is commonly found in volcanic regions; like many volcanic rocks, it shows a streaked or banded structure due to flowing of the congealing lava.

Browse

Next Word in the Dictionary: trachytic
Previous Word in the Dictionary: trachyspermous
All Words Near: trachyte

Seen & Heard

What made you want to look up trachyte? Please tell us where you read or heard it (including the quote, if possible).

Get Our Free Apps
Voice Search, Favorites,
Word of the Day, and More
Join Us on FB & Twitter
Get the Word of the Day and More