Is “Equinoctial” a Scrabble word?
Yes
EQUINOCTIAL
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Equinoctial
/ɛkwɪˈnɒkʃl̩/
noun
1.The great circle midway between the celestial poles; the celestial equator.
2.The terrestrial equator.
adjective
1.Of or relating to the spring or autumnal equinox.
“an equinoctial gale or storm, i.e. one happening at or near the time of the equinox, in any part of the world”
2.Of or relating to the celestial equator.
3.Equatorial: Of or relating to the equator of the Earth.
Synonyms: equinoctal, equinoxial, equatorial