radon

IPA: rˈeɪdɑn

The chemical element (symbol Rn, formerly Ro) with atomic number 86. It is an odorless, colorless, chemically inert but radioactive noble gas.
Radon-222 (²²²₈₆Rn), the most stable isotope of this element, .

Examples of "radon" in Sentences

The word radon will not appear in the Lung Cancer Mortality Reduction Act.
Checking for radon is an inexpensive task using one of the short- or long-term radon test kits we reviewed.
Checking for radon is an inexpensive task using one of the short - or long-term radon test kits we reviewed.
The resulting microscopic particles were known as radon “daughters,” and the daughters were all radioactive, too.
(Look for our report on short-term radon tests kits in the September 2008 issue of Consumer Reports, on sale and online this August.)
Long-term radon testing revealed that the radon level near our countertops is very low but the level in the basement is 3.6 picocuries per liter.
Consumer Reports is preparing a report on short-term radon tests kits for the September 2008 issue of Consumer Reports, on sale and online this August.
Usually, radon is found in your basement (underground deposits of uranium decay and produce the gas) -- but when the radon specialist inspected Dr. Sugarman's house -- he found radon in her kitchen.
TO find a certified technician to determine whether radiation or radon is emanating from a granite countertop, homeowners can contact the American Association of Radon Scientists and Technologists (aarst. org).