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.
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noun
The longitude in the ecliptic system of coordinates that is measured eastward along the celestial equator.
Definition source: English Wiktionary via Wiktextract
Topics: astronomy, natural-sciences
No example sentence was provided for this meaning.
Synonyms: ecliptic longitude
Antonyms: none provided
noun
(astronomy) the equatorial coordinate specifying the angle, measured eastward along the celestial equator, from the vernal equinox to the intersection of the hour circle that passes through an object in the sky; usually expressed in hours and minutes and seconds; used with declination to specify positions on the celestial sphere
Definition source: Princeton WordNet 3.0
Synonyms: right ascension, RA
Antonyms: none provided
Broader terms: angular distance
History
No etymology was provided for this word.
