See also:

• EQUINOX (from the Lat. aequus, equal, and nox, night)

EQUINOX (from the See also:

• LAT

Lat. aequus, equal, and nox, See also:

• NIGHT

night)  , a See also:

• TERM

term used to See also:

• EXPRESS (through the French from the past participle of the Lat. exprimere, to press out, by transference used of representing objects in painting or sculpture, or of thoughts, &c. in words)

express either the moment at which, or the point at which, the See also:

• SUN
• SUN (0. Eng. sonne, Ger. sonne. Fr. soleil, Lat. sol, Gr. ijXior, from which comes helio- in various English compounds)

sun apparently crosses the See also:

• CELESTIAL, OR STELLAR

celestial See also:

• EQUATOR (Late Lat. aequator, from aequare, to make equal)

equator . Since the sun moves in the See also:

• ECLIPTIC

ecliptic, it is in the last-named sense the point of intersection of the ecliptic and the celestial equator . This is the usual meaning of the term in See also:

• ASTRONOMY (from Gr. &arpov, a star, and v ,usiv, to classify or arrange)

astronomy . There are two such points, opposite each other, at one of which the sun crosses the equator toward the See also:

• NORTH
• NORTH, BARONS
• NORTH, MARIANNE (1830—1890)
• NORTH, ROGER (1653-1734)
• NORTH, SIR THOMAS (1535?-16o1?)

north and at the other toward the See also:

• SOUTH
• SOUTH, ROBERT (1634–1716)

south . They are called vernal and autumnal respectively, from the relation of the corresponding times to the seasons of the See also:

• NORTHERN

northern hemisphere . The See also:

• LINE

line of the equinoxes is the imaginary See also:

• DIAMETER (from the Cr. &a, through, µErpov, measure)

diameter of the celestial See also:

• SPHERE (Gr. vclsa?pa, a ball or globe)

sphere which joins them . The vernal See also:

• EQUINOX (from the Lat. aequus, equal, and nox, night)

equinox is the initial point from which the right ascensions and the longitudes of the heavenly bodies are measured (see ASTRONOMY: Spherical) . It is affected by the motions of Precession and See also:

• NUTATION (from Lat. nutare, to nod)

Nutation, of which the former has been known since the See also:

• TIME (0. Eng. Lima, cf. Icel. timi, Swed. timme, hour, Dan. time; from the root also seen in " tide," properly the time of between the flow and ebb of the sea, cf. O. Eng. getidan, to happen, " even-tide," &c.; it is not directly related to Lat. tempus)
• TIME, MEASUREMENT OF
• TIME, STANDARD

time of See also:

• HIPPARCHUS (fl. 146-126 B.c.)

Hipparchus . The actual equinox is defined by first taking the conception of a fictitious point called the Mean Equinox, which moves at a nearly See also:

• UNIFORM

uniform See also:

• RATE

rate, slow varying, however, from See also:

• CENTURY (from Lat. centuria, a division of a hundred men)

century to century . The true equinox then moves around the mean equinox in a See also:

• PERIOD
• PERIOD (Gr. irepioSos, a going or way round, circuit, aepi, round, and &Sis, way, road)

period equal to that of the See also:

• MOON (a common Teutonic word, cf. Ger. Mond, Du. maan, Dan. maane, &c., and cognate with such Indo-Germanic forms as Gr. µlip, Sans. ma's, Irish mi, &c.; Lat. uses luna, i.e. lucna, the shining one, lucere, to shine, for the moon, but preserves the word i
• MOON, SIR RICHARD, 1ST BARONET (1814-1899)

moon's nodes . These two motions are defined with greater detail in the articles PRECESSION OF THE EQUINOXES and NUTATION . Equinoctial See also:

• GALES (mod. Calvi)

Gales.—At the time of the equinox it is commonly believed that strong gales may be expected .

This popular See also:

• IDEA (Gr. Ibia, connected with i&eiv, to see; cf. Lat. species from specere, to look at)

idea has no See also:

• FOUNDATION (Lat. fundatio, from fundare, to found)

foundation in fact, for continued observations have failed to show any unusual prevalence of gales at this See also:

• SEASON (0. Fr. seson, seison, mod. saison, Lat. satio, sowing time, the spring, from serere, to sow; in Late Lat. the word is found with its present meaning, the spring being considered as particularly the season of the year)

season . In one See also:

• CASE
• CASE, JOHN (d. 1600)

case observations taken for fifty years show that during the five days from the 21st to the 25th of See also:

• MARCH
• MARCH (1) (from Fr. marcher, to walk; the earliest sense in French appears to be " to trample," and the origin has usually been found in the Lat. marcus, hammer; Low Lat. marcare, to hammer; hence to beat the road with the regular tread of a soldier: cf.
• MARCH, AUZIAS (c. "1395-1458)
• MARCH, EARLS OF
• MARCH, FRANCIS ANDREW (1825– )

March and See also:

• SEPTEMBER (Lat. septem, seven)

September, there were fewer gales and storms than during the preceding and succeeding five days .