TOP

Definition of radioactive adjective from the Oxford Advanced Learner's Dictionary

radioactive

adjective
 
/ˌreɪdiəʊˈæktɪv/
 
/ˌreɪdiəʊˈæktɪv/
jump to other results
  1. sending out powerful and very dangerous rays when the nuclei (= central parts) of atoms are broken upTopics The environmentc1, Physics and chemistryc1
    Oxford Collocations Dictionaryverbs
    • be
    • become
    • remain
    • …
    adverb
    • dangerously
    • highly
    • slightly
    • …
    See full entry
See radioactive in the Oxford Advanced American DictionarySee radioactive in the Oxford Learner's Dictionary of Academic English
Check pronunciation: radioactive

Nearby words

perspective
noun
 
 
From the Word list
Oxford 3000
B2
Oxford Learner's Dictionaries Word of the Day