Dictionary
Halbwertszeit
German → American English
American English
Half-life
Zeitspanne, in der die Hälfte einer Menge zerfällt oder ihre Wirkung verliert.
Die Halbwertszeit des Medikaments beträgt zwölf Stunden.Use Halbwertszeit mainly in physics, chemistry, and medicine. It is most often used with radioactive substances, but also more broadly for the time it takes something to lose half of its effect or amount.
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Frequently asked questions
What does Halbwertszeit mean in English?
Halbwertszeit means “half-life” in English.
How do you use Halbwertszeit in a sentence?
You can say: Die Halbwertszeit von Iod-131 beträgt etwa acht Tage. = The half-life of iodine-131 is about eight days.
Is Halbwertszeit only used for radioactivity?
No. It is most common in science, especially for radioactive decay, but it can also describe the time it takes for something to lose half its effect or concentration.