Definition of trachyte in English:
A gray fine-grained volcanic rock consisting largely of alkali feldspar.
- The mine workings occupy much of the west side of an isolated low hill composed mainly of light-colored volcanic rock, described as felsite porphyry or trachyte, highly altered to clay minerals.
- The dominant magma types are basalts and hawaiites, with lesser amounts of trachytes, quartz trachytes, alkali rhyolites and phonolites.
- In the Canaries, the lavas are much more compositionally varied in each of these stages, ranging from tholeiitic basalts to phonolites and trachytes.
early 19th century (denoting a volcanic rock with a rough or gritty surface): from Greek trakhus 'rough' or trakhutēs 'roughness'.
Definition of trachyte in:
- British & World English dictionary
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.
Most popular in the US
Most popular in Australia
Most popular in Malaysia
Most popular in Pakistan