Wordnet 3.0
NOUN (1)
1. 
 a measuring instrument for measuring doses of ionizing radiation (X-rays or radioactivity); 
[syn: dosemeter, dosimeter]
WordNet (r) 3.0 (2006):
dosemeter
    n 1: a measuring instrument for measuring doses of ionizing
         radiation (X-rays or radioactivity) [syn: dosemeter,
         dosimeter]