Usually means: Celestial sphere's longitude, astronomy reference.
Definitions Related words Mentions
We found 16 dictionaries that define the word hour circle:

General (13 matching dictionaries)
  1. hour circle: Merriam-Webster
  2. hour circle: American Heritage Dictionary of the English Language
  3. hour circle: Collins English Dictionary
  4. hour circle: Vocabulary.com
  5. hour-circle, hour circle: Wordnik
  6. hour circle: Wiktionary
  7. hour circle: Infoplease Dictionary
  8. hour circle: Dictionary.com
  9. Hour circle: Wikipedia, the Free Encyclopedia
  10. hour circle: Rhymezone
  11. hour circle: FreeDictionary.org
  12. hour circle: Mnemonic Dictionary
  13. hour circle: TheFreeDictionary.com

Computing (1 matching dictionary)
  1. hour circle: Encyclopedia

Science (2 matching dictionaries)
  1. Hour Circle: Eric Weisstein's World of Astronomy
  2. Hour Circle: Extragalactic Astronomy

(Note: See hour_circles as well.)

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Definitions from Wiktionary (hour circle)

▸ noun:  (astronomy) The great circle through an object whose location is to be determined and the two celestial poles.

Similar:
vertical circle, equator, midcircle, ecliptic, equinoctial, celestial equator, equinoctial circle, circle, colure, orthodrome, more...

Opposite:
declination, meridian, longitude, latitude, celestial equator

Types:
meridian, prime vertical, equatorial, horizon, more...

▸ Words similar to hour circle

▸ Usage examples for hour circle

▸ Idioms related to hour circle

▸ Wikipedia articles (New!)

▸ Words that often appear near hour circle

▸ Rhymes of hour circle

▸ Invented words related to hour circle

Similar:
vertical circle, equator, midcircle, ecliptic, equinoctial, celestial equator, equinoctial circle, circle, colure, orthodrome, more...

Opposite:
declination, meridian, longitude, latitude, celestial equator

Types:
meridian, prime vertical, equatorial, horizon, more...



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