Vocabulary Entry

radioactivity

|noun • adjective

noun

The emission of radiation, particularly from unstable atomic nuclei.

Example Sentences

"Radioactivity is a natural process that occurs in certain elements."

"The study of radioactivity has led to significant advancements in nuclear physics."

"Scientists use instruments to measure the levels of radioactivity in the environment."

adjective

Example Sentences

"The radioactive substance emitted dangerous levels of radiation."

"Researchers are analyzing the radioactive materials found in the area."

"Certain rocks are classified as radioactive due to their mineral content."