equinoctial.html - adj. & n.
--adj.

1 happening at or near the time of an equinox (equinoctial gales).
2 of or relating to equal day and night.
3 at or near the (terrestrial) equator.

--n.

(in full equinoctial line) = celestial equator.

equinoctial point the point at which the ecliptic cuts the celestial equator (twice each year at an equinox). equinoctial year see YEAR . [ME f. OF equinoctial or L aequinoctialis (as EQUINOX)]

equinoctial.html - n.
1 the time or date (twice each year) at which the sun crosses the celestial equator, when day and night are of equal length.
2 = equinoctial point.

autumn (or autumnal) equinox about 22 Sept. spring (or vernal) equinox about 20 March. [ME f. OF equinoxe or med.L equinoxium for L aequinoctium (as EQUI-, nox noctis night)]

equinoctial.html - adj.
of or like a horse. [L equinus f. equus horse]

equinoctial.html - adj. & n.
--adj.

1 happening at or near the time of an equinox (equinoctial gales).
2 of or relating to equal day and night.
3 at or near the (terrestrial) equator.

--n.

(in full equinoctial line) = celestial equator.

equinoctial point the point at which the ecliptic cuts the celestial equator (twice each year at an equinox). equinoctial year see YEAR . [ME f. OF equinoctial or L aequinoctialis (as EQUINOX)]

equinoctial.html - n.
1 the time or date (twice each year) at which the sun crosses the celestial equator, when day and night are of equal length.
2 = equinoctial point.

autumn (or autumnal) equinox about 22 Sept. spring (or vernal) equinox about 20 March. [ME f. OF equinoxe or med.L equinoxium for L aequinoctium (as EQUI-, nox noctis night)]

equinoctial.html - comb. form equal. [L aequi- f. aequus equal]