what are the def. for plutonic, volcanic,intrusive,extrusive,igneous rock,basaltic,andesitic,granitic,?

Question

vesicular, and pyroclastic.

Answer 1

Start with this USGS glossary of general geologic terms:
http://geology.wr.usgs.gov/parks/misc/glossarya.html

If you need more info:
USGS photo glossary of volcano terms
http://volcanoes.usgs.gov/Products/Pglossary/VolRocks.html

Glossary of Volcano and Related Terminology
http://vulcan.wr.usgs.gov/Glossary/volcano_terminology.html