Term: radon: a radioactive gaseous element formed by the disintegration of radium; the heaviest of the inert gasses; occurs naturally (especially in areas over granite) and is considered a hazard to health
Broader: noble gas: any of the chemically inert gaseous elements of the helium group in the periodic table | Unrelated: malto: the Dravidian language spoken by the Malto
Broader: noble gas: any of the chemically inert gaseous elements of the helium group in the periodic table | Unrelated: preliminary: something that serves as a preceding event or introduces what follows
Broader: noble gas: any of the chemically inert gaseous elements of the helium group in the periodic table | Unrelated: fee: an interest in land capable of being inherited
Broader: noble gas: any of the chemically inert gaseous elements of the helium group in the periodic table | Unrelated: adoxography: fine writing in praise of trivial or base subjects
Broader: noble gas: any of the chemically inert gaseous elements of the helium group in the periodic table | Unrelated: pogge: northern Atlantic sea poacher
Broader: noble gas: any of the chemically inert gaseous elements of the helium group in the periodic table | Unrelated: filtration: the process whereby fluids pass through a filter or a filtering medium
Broader: noble gas: any of the chemically inert gaseous elements of the helium group in the periodic table | Unrelated: hypocalcemia: abnormally low level of calcium in the blood; associated with hypoparathyroidism or kidney malfunction or vitamin D deficiency
Broader: noble gas: any of the chemically inert gaseous elements of the helium group in the periodic table | Unrelated: tricholoma aurantium: an orange tan agaric whose gills become brown by maturity; has a strong odor and taste
Broader: noble gas: any of the chemically inert gaseous elements of the helium group in the periodic table | Unrelated: patent right: the right granted by a patent; especially the exclusive right to an invention
Broader: noble gas: any of the chemically inert gaseous elements of the helium group in the periodic table | Unrelated: incompetent cervix: (obstetrics) uterine cervix that becomes dilated before term and without labor often resulting in miscarriage or premature birth