lifespan
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lifespan
The period of time that a person or animal lives, or that an object, especially a technical device, remains functional.
Die durchschnittliche Lebensdauer dieser Glühbirne beträgt 10.000 Stunden.
The average lifespan of this light bulb is 10,000 hours.
'Lebensdauer' (lifespan) is made up of 'das Leben' (life), the linking element '-s-', and 'die Dauer' (duration). So it literally means the 'duration of life.'
Moderne Smartphones haben oft nur eine kurze Lebensdauer.
Modern smartphones often have only a short lifespan.
To say whose lifespan is meant, you usually use the genitive or the preposition 'von' with the dative.
Die Lebensdauer eines Automotors hängt von der Pflege ab.
The lifespan of a car engine depends on maintenance.
Common adjectives are 'durchschnittlich' (average), 'erwartet' (expected), 'lang' (long), or 'kurz' (short). Typical verbs are 'haben' (to have), 'verlängern' (to extend), or 'verkürzen' (to shorten).
Regelmäßige Wartung kann die Lebensdauer Ihrer Waschmaschine verlängern.
Regular maintenance can extend the lifespan of your washing machine.
runtime / term
'die Laufzeit' and 'die Lebensdauer' both describe a period of time. With technical devices, they can therefore easily be confused. 'die Laufzeit' more often means the time during which a device, program, or process is actively running, for example on one battery charge. 'die Lebensdauer', on the other hand, means the total time during which something functions at all and can be used. In practical terms: the Laufzeit may last a few hours, while the Lebensdauer often lasts several years.
Durch gute Pflege kann sich die Lebensdauer der Waschmaschine deutlich verlängern.
With good care, the lifespan of the washing machine can be significantly extended.
Die Laufzeit des Akkus beträgt bei diesem Laptop ungefähr acht Stunden.
The battery life of this laptop is about eight hours.