Translation of "light year" into French

année-lumière, année lumière, année de lumière are the top translations of "light year" into French.

light year noun grammar

(astronomy) A unit of length ( abbreviation ly; equal to just under 10 trillion kilometres (10 16 metres)) equal to the distance light travels in one year; used to measure extremely large distances. [..]

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English-French dictionary

  • année-lumière

    noun feminine

    astronomical distance

    The distance between stars is measured in light years.

    La distance entre les étoiles se mesure en années-lumière.

  • année lumière

    The distance between stars is measured in light years.

    La distance entre les étoiles se mesure en années-lumière.

  • année de lumière

  • al

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