tra·chyte 
(trākīt′, trăkīt′)
(trākīt′, trăkīt′)n.
A light-colored igneous rock consisting essentially of alkali feldspar.
[French, from Greek trākhus, rough.]
tra·chytic (trə-kĭtĭk) adj.
- prescriptibility
- prescriptible
- prescription
- prescriptive
- prescriptively
- prescriptiveness
- prescriptivism
- prescriptivist
- preseason
- preselect
- preselection
- presell
- presence
- presence of mind
- present
- present
- presentability
- presentable
- presentableness
- presentably
- present arms
- presentation
- presentational
- presentative
- present-day