意味(日本語)

昼夜平分の、春分(秋分)の

語源

• noct- : L.nox=night（夜）

意味(英語)

• (adjective) Relating to an equinox.
• (adjective) Relating to the celestial equator.
• (noun) A violent storm of wind and rain occurring at or near the time of the equinox.
• (noun) See celestial equator.

例文

• As one half of the ecliptic is north, and the other half south, of the equator, the line of intersection of their planes is at two points which are known as the equinoctial points, because, when the Sun on his upward and downward journey arrives at either of them the days and nights are of equal length all over the world.

昼夜平分時、春分(秋分) ◇equ-＋noct-、autumnal equinox(＝秋分)

語源

• noct- : L.nox=night（夜）