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.
- cosmically
- cosmic dust
- cosmic inflation
- cosmic microwave background radiation
- cosmic noise
- cosmic ray
- cosmic ray air shower
- cosmic string
- cosmid
- cosmo
- cosmo-
- cosmochemical
- cosmochemist
- cosmochemistry
- cosmogenic
- cosmogonic
- cosmogonical
- cosmogonically
- cosmogonist
- cosmogony
- cosmographer
- cosmographic
- cosmographical
- cosmographically
- cosmography