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radioactive

[ˌreɪdiəʊˈæktɪv]

radioactive Definition

emitting or relating to the emission of ionizing radiation or particles.

Using radioactive: Examples

Take a moment to familiarize yourself with how "radioactive" can be used in various situations through the following examples!

  • Example

    The area was contaminated with radioactive waste.

  • Example

    Radioactive decay is a natural process.

  • Example

    The nuclear power plant leaked radioactive material into the environment.

radioactive Synonyms and Antonyms

Phrases with radioactive

  • a method of determining the age of an object by measuring the amount of a certain radioactive material it contains

    Example

    The archaeologist used radioactive dating to determine the age of the fossil.

  • the particles of radioactive material that are carried into the atmosphere after a nuclear explosion and then fall back to the ground

    Example

    The radioactive fallout from the nuclear test spread over a wide area.

  • material that contains radioactive substances and is left over after nuclear reactions

    Example

    The disposal of radioactive waste is a major environmental concern.

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Summary: radioactive in Brief

'Radioactive' [ˌreɪdiəʊˈæktɪv] refers to the emission of ionizing radiation or particles. It is often associated with nuclear reactions, as in 'The nuclear power plant leaked radioactive material into the environment.' The term extends into phrases like 'radioactive dating,' which determines the age of an object by measuring the amount of a certain radioactive material it contains, and 'radioactive waste,' which is left over after nuclear reactions.

How do native speakers use this expression?