Medical Dictionary

thoron

noun tho·ron \ˈthō(ə)r-ˌän, ˈth(ə)r-\

Medical Definition of THORON

:  a heavy radioactive isotope of radon of mass number 220 that is formed as a decay product of thorium, decays by emission of an alpha particle, and has a half-life of less than a minute
April 18, 2015
wimple Hear it
to veil, ripple, or meander
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