radio-telephone
radio-telephone

radioactive


Definition: Meaning of, radioactive in English to English dictionary.

Pronunciation: / ˌreɪdɪəʊˈaktɪv /

  • adjective
  • synonym
  • antonym
Word Forms:
Positive Comparative Superlative
N/A N/A N/A
  1. a radioactive substance is dangerous because it contains RADIATION (= a form of energy that can harm living things)
    SYNONYM
    Not found!
    ANTONYM
    Not found!
synonym
antonym

radioactive used in phrases

  • high-level radioactive waste (noun)
    1. radioactive waste that left in a nuclear reactor after the nuclear fuel has been consumed
  • low-level radioactive waste (noun)
    1. as in certain medical tests medicine radioactive waste consisting of objects that have been briefly exposed to radioactivity
  • radioactive dating (noun)
    1. a scientific method of calculating the age of a very old object by measuring the amount of a certain substance in it [=  carbon dating British English]
  • radioactive decay (noun)
    1. the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation
  • radioactive dust (noun)
    1. the radioactive particles that settle to the ground after a nuclear explosion
  • radioactive iodine excretion test (noun)
    1. radioactive iodine test that measures the amount of radioactive iodine excreted in the urine
  • radioactive iodine test (noun)
    1. test of thyroid function in which the patient is given an oral dose of radioactive iodine-131
  • radioactive iodine uptake test (noun)
    1. radioactive iodine test that measures the amount of radioactive iodine taken up by the thyroid gland
  • radioactive material (noun)
    1. material that is radioactive
  • radioactive tracer (noun)
    1. a radioactive isotope used to trace chemical or biological processes using radiation detection devices
  • More

most searched words

word of the day

end of the world
Pronunciation: ɛnd ɒv;(ə)v ðə;ðɪ;ðiː wəːld
Parts of Speech: noun
New Testament day at the end of time following Armageddon when God will decree the fates of all individual humans according to the good and evil of their earthly lives
radioactive dating