Tritium is an unstable isotope of hydrogen. Tritium is radioactive, but considered safer than radium as it is thought that the rays emitted by tritium are unable to penetrate the outer layer of skin on humantissue, or even a thin layer of glass. Tritium replaced radium in luminous paints used for watch dials and the like. Research Tritium
T is an abbreviation for Traveler
T is an abbreviation for Temperature
T is an abbreviation for Tera
T is an abbreviation for Tesia
T is an abbreviation for Three position switch
T is an abbreviation for Torque
T is an abbreviation for Tritium
T is an abbreviation for Time
T is an abbreviation for Thailand
T is an abbreviation for ton
T is an abbreviation for transit
 
The Probert Encyclopaedia was designed, edited and programed by
Matt and Leela Probert