Usually means: Distance light travels in one hour.
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We found 10 dictionaries that define the word light hour:

General (9 matching dictionaries)
  1. light-hour: Merriam-Webster
  2. light hour: Vocabulary.com
  3. light-hour: Wiktionary
  4. light hour: Dictionary.com
  5. Light-hour, Light hour: Wikipedia, the Free Encyclopedia
  6. light hour: Rhymezone
  7. light hour: FreeDictionary.org
  8. light hour: Mnemonic Dictionary
  9. light hour: TheFreeDictionary.com

Computing (1 matching dictionary)
  1. light-hour, light hour: Encyclopedia

(Note: See light_hours as well.)

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Definitions from Wiktionary (light hour)

▸ noun:  (astronomy, physics) A unit of length equal to the distance light travels in one hour

Similar:
light month, light day, light second, lumen-hour, light week, light century, light equation, light-year, light eon, light year, more...

▸ Words similar to light hour

▸ Usage examples for light hour

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▸ Words that often appear near light hour

▸ Rhymes of light hour

▸ Invented words related to light hour

Similar:
light month, light day, light second, lumen-hour, light week, light century, light equation, light-year, light eon, light year, more...



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