Half Life Definition Biology at Life

Half Life Definition Biology. | meaning, pronunciation, translations and examples The time required for half the amount of a substance (such as a drug, radioactive tracer, or pesticide) in or introduced into a living system or.

The time required for half of something to undergo a process: The time required for a radioactive material taken in or administered to an organism to undergo radioactive decay. (hăf′līf′) the average time needed for half the nuclei in a sample of a radioactive substance to undergo radioactive decay.

Academic Biology

The time required for a biological system, such as that of a human, to eliminate, by natural processes, half of the amount of a substance (such as a radioactive material) that has entered it. The time that a living body requires to eliminate one half the quantity of an administered substance (as a radioisotope) through its. (hăf′līf′) the average time needed for half the nuclei in a sample of a radioactive substance to undergo radioactive decay. The time required for a biological system, such as that of a human, to eliminate, by natural processes, half of the amount of a substance (such as a radioactive material) that has entered it.