adj.
Pronunciation: ˌ r ā -d ē - ō - ' ak-tiv
Function: adjective
Etymology: International Scientific Vocabulary
Date: 1898
: of, caused by, or exhibiting radioactivity
– ra · dio · ac · tive · ly adverb
adj.
Pronunciation: ˌ r ā -d ē - ō - ' ak-tiv
Function: adjective
Etymology: International Scientific Vocabulary
Date: 1898
: of, caused by, or exhibiting radioactivity
– ra · dio · ac · tive · ly adverb
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012