| lightyear | ||
| silentbob |
light-year also light year (ltyîr) n. The distance that light travels in a vacuum in one year, approximately 9.46 trillion (9.46 × 1012) kilometers or 5.88 trillion (5.88 × 1012) miles. Informal. A long way. Often used in the plural: a small town light-years away from the action of the capital. |
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