We found 28 dictionaries that define the word right ascension:

General (15 matching dictionaries)

1. right ascension: Merriam-Webster
2. right ascension: Oxford Learner's Dictionaries
3. right ascension: American Heritage Dictionary of the English Language
4. right ascension: Collins English Dictionary
5. right ascension: Vocabulary.com
6. right ascension: Wordnik
7. right ascension: Wiktionary
8. right ascension: The Wordsmyth English Dictionary-Thesaurus
9. right ascension: Infoplease Dictionary
10. right ascension: Dictionary.com
11. Right ascension: Wikipedia, the Free Encyclopedia
12. right ascension: Rhymezone
13. right ascension: FreeDictionary.org
14. right ascension: Mnemonic Dictionary
15. right ascension: TheFreeDictionary.com

Computing (1 matching dictionary)

16. right ascension: Encyclopedia

Medicine (1 matching dictionary)

17. right ascension: Medical dictionary

Science (6 matching dictionaries)

18. From Stargazers to Starships Glossary (No longer online)
19. Right Ascension: Eric Weisstein's World of Astronomy
20. Imagine the Universe! Dictionary (No longer online)
21. Mars Glossary (No longer online)
22. Right Ascension: Extragalactic Astronomy
23. RIGHT ASCENSION: Zoom Astronomy Glossary

Tech (5 matching dictionaries)

24. High-Energy Astrophysics (No longer online)
25. Basics of Space Flight Glossary (No longer online)
26. Glossary of Meteorology (No longer online)
27. National Weather Service Glossary (No longer online)
28. SOLAR-TERRESTRIAL TERMS (No longer online)

(Note: See right_ascensions as well.)

Definitions from Wiktionary (right ascension) ▸ noun:  (astronomy) The angular distance east of the vernal point (“the solar zenith at the March equinox”); the celestial equivalent of longitude. Similar: Ra, celestial longitude, ascendant, oblique ascension, ephemeris, amplitude, latitude, first point of Aries, spring equinox, March equinox, more... Opposite: declination, latitude, celestial equator Adjectives: equinoctial, partile, sextile, curtate, trine, spring, meridian, aspected, term, deferent, ecliptic ▸ Words similar to right ascension ▸ Usage examples for right ascension ▸ Idioms related to right ascension ▸ Wikipedia articles (New!) ▸ Words that often appear near right ascension ▸ Rhymes of right ascension ▸ Invented words related to right ascension