What context can I use each word in?
Learn when and how to use these words with these examples!
radioactivity
Example
The radioactivity of the sample was measured using a Geiger counter. [radioactivity: noun]
Example
The radioactivity of the waste material posed a significant risk to the environment. [radioactivity: noun]
radiation
Example
The sun emits harmful ultraviolet radiation that can cause skin damage. [radiation: noun]
Example
The patient received radiation treatment to shrink the tumor. [radiation: noun]
Good things to know
Which word is more common?
Radiation is more commonly used than radioactivity in everyday language. Radiation is a broad term that covers various types of energy and has many applications in different fields, while radioactivity is a more technical term that is mainly used in scientific and technical contexts.
What’s the difference in the tone of formality between radioactivity and radiation?
Radioactivity is a more technical and specific term that is typically used in formal or technical contexts, while radiation is more versatile and can be used in both formal and informal contexts.
