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equatorial plate
equatorial telescope
equerry
equestrian
equestrienne
equi-
equiangular
equid
equidimensional
equidistant
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equinoctial

e·qui·noc·tial [ kwə nókshəl, èkwə nókshəl ]


adjective 
Definition:
 
1. time occurring at equinox: happening at or near either of the two equinoxes

2. botany with flowers open at definite times: describes a plant whose flowers open and close at specific times of day

3. astronomy of celestial equator: relating to the celestial equator



noun  (plural e·qui·noc·tials)
Definition:
 
1. meteorology storm at equinox: a storm or strong wind that occurs at an equinox

2. astronomy 
Same as  celestial equator


[14th century. < French équinoctial< Latin aequinoctium (see equinox)]
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