Phrase guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
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No pronunciation record was provided for this word.
noun
The time taken for light to travel between two locations, especially celestial bodies.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: astronomy, natural-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
distance measured in terms of the speed of light (or radio waves)
Definition source: Princeton WordNet 3.0
Synonyms: none provided
Antonyms: none provided
Broader terms: distance, length
History
No etymology was provided for this word.
