: a heavy radioactive gaseous element formed by the decay of radium see Chemical Elements Table
Examples of radon in a Sentence
Recent Examples on the Web
Examples are automatically compiled from online sources to
show current usage.Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Nation-leading pesticide use, high nitrate and forever chemical levels in Iowa waters, and elevated radon exposure are among the environmental factors linked to the state's rising cancer rates, according to a new report from the Iowa Environment Council and Harkin Institute for Public Policy.—Donnelle Eller, Des Moines Register, 26 Mar. 2026 Best air quality monitors This monitor detects radon, carbon dioxide, VOCs, humidity, temperature and atmospheric pressure, giving you a broad understanding of the quality of the air in your home.—Bestreviews, Chicago Tribune, 17 Mar. 2026 This may involve sealing cracks in basement walls and foundations and installing a fan and vent pipe to pull radon gas from underneath the home and vent it outside.—Jan Lowery, The Conversation, 20 Feb. 2026 Rehabilitating a house can take on many different forms, Pfeifer said, like replacing aging kitchen appliances, lead and asbestos abatement, radon mitigation or adding on a bedroom.—Mars King, Twin Cities, 8 Feb. 2026 See All Example Sentences for radon
: a heavy radioactive gaseous element of the group of inert gases formed by disintegration of radium and used similarly to radium in medicine—symbol Rn