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
Synonyms for radioactive
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.
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.
