عمر نصف

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Arabic

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Arabic Wikipedia has an article on:
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Etymology

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From عُمْر (ʕumr) +‎ نِصْف (niṣf). Calque of English half-life.

Pronunciation

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Noun

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عُمْر نِصْف (ʕumr niṣfm

  1. (physics, chemistry) half-life

Declension

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