equinoctial circle definition, equinoctial circle meaning | English dictionary

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equinoctial circle

  
, line  
      n      another name for       celestial equator  
English Collins Dictionary - English Definition & Thesaurus  
Collins
celestial equator  
      n   the great circle lying on the celestial sphere the plane of which is perpendicular to the line joining the north and south celestial poles,   (Also called)    equinoctial, equinoctial circle         

English Collins Dictionary - English Definition & Thesaurus  

Collins
equinoctial  
      adj  
1    relating to or occurring at either or both equinoxes  
2    (of a plant) having flowers that open and close at specific regular times  
3      (Astronomy)   of or relating to the celestial equator  
      n  
4    a storm or gale at or near an equinox  
5       another name for       celestial equator  
     (C14: from Latin aequinoctialis concerning the equinox)  


equinoctial circle   , line  
      n      another name for       celestial equator  
equinoctial point  
      n   either of the two points at which the celestial equator intersects the ecliptic  

English Collins Dictionary - English Definition & Thesaurus  

Collaborative Dictionary     English Definition
n.
series of concentric, expanding circles caused by ripples in water from a central point
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