Radiation Protection Glossary

A radiation protection glossary for Radiation Protection Supervisors (RPS) and anyone interesting in radiation safety terminology. The glossary is a mixture of health physics terms, and phrases related to radiation legislation, transport, practical safety and similar.

Search the Glossary by either clicking on a letter or typing a Keyword into the search box.


RPA2000 is a non profit making company set up by The Society for Radiological Protection; The Institute of Physics and Engineering in Medicine; the Institute of Radiation Protection and the Association of University Radiation Protection Officers (the Societies), solely for the purpose of certifying competence in Radiation Protection practice. Certification is intended for members of the Societies however it is also open to non-members practising in the United Kingdom. You may want to visit the RPA 2000 website.

Physics is really nothing more than a search for ultimate simplicity, but so far all we have is a kind of elegant messiness

– Bill Bryson