Sign Up
|
Log In
THE
CHALLENGE
THE
DICTIONARY
LOOK IT UP
VOCABULARY
LISTS
Search Results
Advanced Search
List Builder
Random Word
light-year
DEFINITIONS OF:
light-year
1
n
the distance that light travels in a vacuum in 1 year; 5.88 trillion miles or 9.46 trillion kilometers
Synonyms:
light year
Type of:
astronomy unit
a linear unit used for astronomical distances
Launch
WORD FAMILY
USAGE EXAMPLES
Copyright © 2012 Vocabulary.com All Rights Reserved.
·
Home
·
How It Works
·
Blog
·
Help
·
Terms of Use