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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.

Her work expanded beyond stories connected to Iran, including "Radioactive", a 2019 biopic about pioneering radioactivity researcher and Nobel-prize winner Marie Curie, starring Rosamund Pike.

From Barron's • Jun. 4, 2026

"With uranium… the radiation doesn't really travel very far," says Prof Claire Corkhill, Chair in Mineralogy and Radioactive Waste Management at the University of Bristol.

From BBC • Jun. 19, 2025

Radioactive water spilled from spent fuel cooling pools and cracks appeared on the ground, but no radiation leaked outside, operator Hokuriku Electric Power Co. said.

From Seattle Times • Feb. 2, 2024

Radioactive contaminants, even at concentrations as tiny as one part-per-billion, can mimic the elusive signals that scientists are seeking.

From Science Daily • Sep. 21, 2023

Radioactive liquid pools in a depression in the copperized wood, but as I watch, it’s sucked in by the black pitch between the metallic planks.

From "Challenger Deep" by Neal Shusterman



Vocabulary lists containing radioactive


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