Associations to the word «Radon»

Wiktionary

RADON, noun. A radioactive chemical element (symbol Rn, formerly Ro) with atomic number 86, one of the noble gases.
RADON MEASURE, noun. (mathematics) A measure on the σ-algebra of Borel sets of a Hausdorff space that is locally finite and inner regular.
RADON MEASURES, noun. Plural of Radon measure
RADON SEED, noun. A small glass or gold tube, containing radon gas, implanted in a patient as radiotherapy

Dictionary definition

RADON, noun. 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.

Wise words

A word is not a crystal, transparent and unchanged; it is the skin of a living thought and may vary greatly in color and content according to the circumstances and time in which it is used.
Oliver Wendell Holmes, Jr.