half-life

1. 1 yarı ömür countable

Definition (English)

The time it takes for half of a radioactive substance to decay.

Example Sentences

1. This isotope has a very short half-life.
   Bu izotopun yarı ömrü çok kısadır.
2. The half-life of carbon-14 is about 5,730 years.
   Karbon-14'ün yarı ömrü yaklaşık 5.730 yıldır.

1. 1 yarılanma ömrü countable

Definition (English)

The time it takes for the amount of a drug or other substance in the body to fall by half.

Example Sentences

1. This drug has a half-life of about six hours.
   Bu ilacın yarılanma ömrü yaklaşık altı saattir.
2. Caffeine has a half-life of around five hours in adults.
   Kafeinin yetişkinlerde yarılanma ömrü yaklaşık beş saattir.