Light-year Definition & Meaning
light-year
- noun
- the distance that light travels in a vacuum in 1 year; 5.88 trillion miles or 9.46 trillion kilometers
Usage tips for "light-year"
Understanding the precise definition of a word helps you use it with confidence. When using "light-year" in your writing, consider whether you need the word itself or one of its synonyms — subtle differences in meaning can change the tone of a sentence. If you're writing poetry or song lyrics, check the rhymes for light-year to find words that pair well.
Use "light-year" in a verse
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Generate a verseFrequently asked questions
- What does light-year mean?
- the distance that light travels in a vacuum in 1 year; 5.88 trillion miles or 9.46 trillion kilometers
- What part of speech is light-year?
- Light-year is a noun.