bn:00014374n
Noun Concept
Categories: long volume value, Fundamental constants, Articles with short description, Velocity, Light
EN
speed of light  light speed  c  lightspeed  speed of light in vacuum
EN
The speed at which light travels in a vacuum; the constancy and universality of the speed of light is recognized by defining it to be exactly 299,792,458 meters per second WordNet 3.0
English:
physics
constant
Definitions
Relations
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EN
The speed at which light travels in a vacuum; the constancy and universality of the speed of light is recognized by defining it to be exactly 299,792,458 meters per second WordNet 3.0 & Open English WordNet
The speed of light in vacuum, commonly denoted c, is a universal physical constant that is exactly equal to 299,792,458 metres per second. Wikipedia
Physical constant, the rate at which light travels in a vacuum. Wikipedia Disambiguation
Speed of electromagnetic waves in vacuum Wikidata
The speed of light in a vacuum which is equal to 299,792,458 metres per second. OmegaWiki
The speed of electromagnetic radiation; in a perfect vacuum it is defined as 299,792,458 metres per second. Wiktionary
The speed of electromagnetic radiation in a perfect vacuum. Wiktionary (translation)