Definition of Light second

1. Noun. The distance light travels in a vacuum in one second; approximately 300,000 kilometers.

Generic synonyms: Astronomy Unit
Group relationships: Light Year, Light-year



Definition of Light second

1. Noun. (astronomy physics) A unit of length equal to the distance light travels in one second ¹

¹ Source: wiktionary.com

Light Second Pictures

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Lexicographical Neighbors of Light Second

light pen
light pens
light pollution
light porter
light rail
light rails
light railway
light reaction
light reactions
light reflex
light roller
light rollers
light sail
light sails
light scattering
light second (current term)
light sense
light show
light sleep
light someone's fire
light source
light sources
light spectrum
light speed
light switch
light switches
light table
light time
light touch
light treatment

Literary usage of Light second

Below you will find example usage of this term as found in modern and/or classical literature:

1. The universal etymological English dictionaryby Nathan Bailey by Nathan Bailey (1731)
"... as Light known as Light. Second formal NOTION, is the knowledge of a thing, according to what it receives from the ..."

2. The Encyclopedia of Pure Materia Medica: A Record of the Positive Effects of by Timothy Field Allen (1877)
"Pupils largely dilated, and insensible to light (second and third days),39.—Pupils contracted,31 5'; (after four hours),39; (sixth day),14. ..."

3. Life and Work at the Great Pyramid During the Months of January, February by Charles Piazzi Smyth (1867)
"Base of Niche in Queen-s Chamber of Great Pyramid, by magnesium light. SECOND PYRAMID PHOTOGRAPHS—in two boxes. 1. Bird-s-eye View of Second Pyramid from ..."

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