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Definitions

radioactive

[rey-dee-oh-ak-tiv] / ˌreɪ di oʊˈæk tɪv /
ADJECTIVE
active
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Ionisation-based systems use a tiny amount of radioactive material to charge, or ionise, particles in the air which flow between two small plates.

From BBC

More than 20 containers of radioactive zinc stranded in Manila Bay for months have been brought ashore to a "safe place", the country's nuclear research director told AFP on Wednesday.

From Barron's

“They are very complex ores with highly unusual mineralogy, and some of them have relatively high contents of the radioactive elements uranium and thorium,” Goodenough notes.

From Barron's

“They are very complex ores with highly unusual mineralogy, and some of them have relatively high contents of the radioactive elements uranium and thorium,” Goodenough notes.

From Barron's

The prison in Princetown, Devon, was closed in July 2024 after the government found levels of the radioactive gas were up to 10 times higher than the safe limit.

From BBC