HOUR ANGLE

Pronunciation (US):

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IPA (US):

 Dictionary entry overview: What does hour angle mean? 

• HOUR ANGLE (noun)
  The noun HOUR ANGLE has 2 senses:

1. the angular distance along the celestial equator from the observer's meridian to the hour circle of a given celestial body

2. (astronomy) the angular distance of a celestial point measured westward along the celestial equator from the zenith crossing; the right ascension for an observer at a particular location and time of day

  Familiarity information: HOUR ANGLE used as a noun is rare.

 Dictionary entry details 

• HOUR ANGLE (noun)

Sense 1

Meaning:

The angular distance along the celestial equator from the observer's meridian to the hour circle of a given celestial body

Classified under:

Nouns denoting spatial position

Hypernyms ("hour angle" is a kind of...):

distance (the property created by the space between two objects or points)

Sense 2

Meaning:

(astronomy) the angular distance of a celestial point measured westward along the celestial equator from the zenith crossing; the right ascension for an observer at a particular location and time of day

Classified under:

Nouns denoting two and three dimensional shapes

Synonyms:

HA; hour angle

Hypernyms ("hour angle" is a kind of...):

angular distance (the angular separation between two objects as perceived by an observer)

Domain category:

astronomy; uranology (the branch of physics that studies celestial bodies and the universe as a whole)