- the derived SI unit of radioactivity equal to one disintegration per second
Collins Concise English Dictionary © HarperCollins Publishers::
becquerel /ˌbɛkəˈrɛl/ n
Bec•que•rel
(bek′ə rel′; Fr. bekə rel′),USA pronunciation n.
'becquerel' also found in these entries (note: many are not synonyms or translations):