HPS masthead
search
What's New?
. December Journal
. December Newsletter
. Online Registration for HPS 2010 Midyear Meeting Now Available
. NRC Academic Program Nuclear Education Grants, FY2010, Now Accepting Applications
. EPA's STAR Graduate and GRO Undergraduate Fellowship Funding Now Accepting Applications
Upcoming Events
. 2010 HPS Midyear Topical Meeting
Radiation Risk Communication to the Public
24-27 January 2010
Albuquerque, NM
. 2010 HPS Professional Development School
Radiation Risk Communication: Issues and Solutions
27-29 January 2010
Albuquerque, NM
21 November 2009

Fission (fissioning)

The splitting of the nucleus of an atom (generally of a heavy element) into at least two other nuclei and the release of a relatively large amount of energy. Two or three neutrons are usually released during this type of transformation.
Home Affiliates Ask the Experts Radiation Terms Employment Meetings