-TRON: A combining form extracted from electron.
and of devices for accelerating subatomic particles ( cosmotron; cyclotron, acceleratron, );
also, more generally, in the names of any kind of chamber or apparatus used in experiments ( biotron, testatron, checkthisoutAtron, quickholdmabeerAtron and doesthishurtAtron to name a few).
American Psychological Association (APA):
tron. (n.d.). Online Etymology Dictionary. Retrieved August 16, 2014, from Dictionary.com website: http://dictionary.reference.com/browse/tron