light second 1
noundomain: quantity
Princeton WordNet [ver.3.1]
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EnglishDefinition
the distance light travels in a vacuum in one second; approximately 300,000 kilometers
Hypernym
astronomy unit 1
noun
a linear unit used for astronomical distances
Part_meronym
light year 1
noun
the distance that light travels in a vacuum in 1 year; 5.88 trillion miles or 9.46 trillion kilometers
EnglishPart_holonym
light year 1
noun
the distance that light travels in a vacuum in 1 year; 5.88 trillion miles or 9.46 trillion kilometers
