Lexic.us

Definition of Equinox

1. Noun. Either of two times of the year when the sun crosses the plane of the earth's equator and day and night are of equal length.

2. Noun. (astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic.

Definition of Equinox

1. n. The time when the sun enters one of the equinoctial points, that is, about March 21 and September 22. See Autumnal equinox, Vernal equinox, under Autumnal and Vernal.

Definition of Equinox

1. Noun. The intersection of the ecliptic (apparent path of the sun) with the celestial equator. ¹

¹ Source: wiktionary.com

Definition of Equinox

1. a point on the celestial sphere [n -ES]

Lexicographical Neighbors of Equinox

equinities equinity equinoces equinoctal equinoctes equinoctial equinoctial circle equinoctial line equinoctial point equinoctial storm

equinoctial year equinoctially equinoctials equinovalgus equinox (current term) equinoxe equinoxes equinoxial equinoxially equinumerant

equinumerosity equinumerous equinumerousness equinus deformity equip equipable equipage equipaged equipages

Literary usage of Equinox

Below you will find example usage of this term as found in modern and/or classical literature:

1. Monthly Notices of the Royal Astronomical Society by Royal Astronomical Society (1904)
"Vernal equinox from Tanna into Aries. been too great to be tolerated, and there certainly came a time when in one way or another the equinox was observed ..."

2. The approaching end of the age viewed in the light of history, prophecy and by Henry Grattan Guinness (1882)
"If the passover had been delayed until ripeness in this latter sense had been attained, not only a full moon at the equinox would have been excluded, ..."

3. The Observatory (1903)
"A common equinox for Star-places. GENTLEMEN,— The catalogues of the ... and other catalogues suggest the suitability of 1875 as a common equinox. ..."

4. Theoretical Astronomy Relating to the Motions of the Heavenly Bodies by James Craig Watson (1868)
"The values of dx} oy, and dz, computed by means of the coordinates referred to the ecliptic and mean equinox of the date t, must be added to the ..."

5. Report of the Annual Meeting (1855)
"The mean line corresponding to ten or eleven days after the equinox ... The mean line corresponding to twenty-five days subsequent to the equinox (viz. the ..."

6. Theoretical Astronomy Relating to the Motions of the Heavenly Bodies by James Craig Watson (1900)
"The values of dx, 3y, and dz, computed by means of the coordinates referred to the ecliptic and mean equinox of the date t, must be added to the ..."

7. Plane and Spherical Trigonometry: And Four-place Tables of Logarithms by William Anthony Granville (1909)
"The point where the sun crosses the celestial equator when moving northward (in the spring, about March 21) is called the vernal equinox, and the point ..."

Other Resources: