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Equinoctial is a 11 letter word which starts with the letter E and ends with the letter L for which we found 4 definitions.

(a.) Pertaining to an equinox or the equinoxes or to the time of equal day and night; as the equinoctial line.
(a.) Pertaining to the regions or climate of the equinoctial line or equator; in or near that line; as equinoctial heat; an equinoctial sun.
(a.) Pertaining to the time when the sun enters the equinoctial points; as an equinoctial gale or storm that is one happening at or near the time of the equinox in any part of the world.
(n.) The equinoctial line.
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