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Found Half-life 2 times.

Displaying results 1 to 10.

1. Half-life
* The period of time required for half of the quantity of a radioactive substance to decay, to transform into a different substance (which may also be radioactive), to disintegrate, or to be eliminated from a biological system or ecological system . * The period of time required for half of the reactants involved in a chemical reaction to turn into products or be otherwise affected by the reaction.

2. Half-life
The time required for one-half of an original unstable radioactive element to be converted to a more stable daughter element.

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