Click any word in a definition or example to find the entry for that word
The thesaurus of synonyms and related words is fully integrated into the dictionary entries. Click on the T button in an entry to review the synonyms and related words for that meaning.more
There is a clear link between exposure to radiation and some forms of cancer.
Some workers at the power station were exposed to high levels of radiation.
This is the American English definition of radiation. View British English definition of radiation.