Here’s a few in answer to question 1

http://www.fusion.org.uk/info/glossary.htm

In answer to question 2 it is very telling what is there and what is not

http://fusedweb.llnl.gov/glossary-plasma-fusion/terms.lasso?page=list&ABC=A

http://www.faqs.org/faqs/fusion-faq/glossary/

http://www.science.org.au/nova/101/101glo.htm

One for the kids

http://www.plasmacoalition.org/edu-manmade.htm