Erythema
Published: Oct 12, 2018
Erythema presents itself as a reddening of the skin which is caused by blood vessel dilation. It is a common sign of Deterministic Radiation Effects, particularly from high energy Beta emitters or X-Rays.
Radiation Protection Glossary
A radiation protection glossary for Radiation Protection Supervisors (RPS), Radiation Protection Advisers (RPA) and anyone else interesting in radiation safety terms and definitions. The glossary is a mixture of health physics , phrases related to radiation protection legislation, transport, practical safety, technical terms and similar.
Search the Glossary by either clicking on a letter or typing a keyword into the search box. This glossary is relational so when looking at one term you can click through to other related terms as required.
For formal advice, see our Radiation Protection Adviser pages.
The definition of 'safe' is not strictly an engineering term; it's a societal term. Does it mean absolutely no loss of life? Does it mean absolutely no contamination with radiation? What exactly does 'safe' mean?