light second

Also found in: Thesaurus, Wikipedia.
Related to light second: light minute, Light-day
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.light second - the distance light travels in a vacuum in one second; approximately 300,000 kilometers
astronomy unit - a linear unit used for astronomical distances
light year, light-year - the distance that light travels in a vacuum in 1 year; 5.88 trillion miles or 9.46 trillion kilometers
References in periodicals archive ?
Tender notice number : GPOzar/2016-17/LED Street Light Second Call ID:2016_NASHI_154016_1
Tender notice number : GPOZar/2016-17/LED Sreet Light Second Call ID:2016_NASHI_154032_1
Tenders are invited for Electric maintanance of street light second call