Definition of Radioactive
describing something that emits radiation
Examples of Radioactive in a sentence
The barrels of expended fuel cells from the nuclear power plant are extremely radioactive, and will cause great harm if you get too close. 🔊
The ruins of the city were by now radioactive, due to its destruction at the hand of a powerful nuclear bomb. 🔊
The toxic waste we stumbled on is potentially radioactive, so we are going to steer well clear of it unless we have a hazmat suit. 🔊
Other words in the Science category:
Most Searched Words (with Video)