Definitions for radioactiveˌreɪ di oʊˈæk tɪv

This page provides all possible meanings and translations of the word radioactive

Random House Webster's College Dictionary

ra•di•o•ac•tiveˌreɪ di oʊˈæk tɪv(adj.)

  1. of, pertaining to, exhibiting, or caused by radioactivity.

    Category: Physics

Origin of radioactive:



Princeton's WordNet

  1. radioactive(adj)

    exhibiting or caused by radioactivity

    "radioactive isotope"; "radioactive decay"; "radioactive fallout"

Kernerman English Learner's Dictionary

  1. radioactive(adjective)ˌreɪ di oʊˈæk tɪv

    containing radiation from a nuclear reaction

    radioactive chemicals


  1. radioactive(Adjective)

    Exhibiting radioactivity.

Translations for radioactive

Kernerman English Multilingual Dictionary


(of some substances, eg uranium) giving off rays which can be dangerous, but which can also be used in eg medicine

radioactive metals.

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