noun
equinoctial point
Astronomical term for the two points where the celestial equator intersects the ecliptic (vernal and autumnal equinox points).
春分点と秋分点を合わせて分点と呼ぶ。
The vernal equinox point and the autumnal equinox point are together called the equinoctial points.
noun
division point
Mathematical term for a point that divides a line segment or curve into parts, often in a given ratio.
線分ABを3:2に内分する分点をPとする。
Let P be the division point that internally divides the line segment AB in the ratio 3:2.
A division point that divides a segment internally, a specific type of 分点.
A division point that divides a segment externally.
Compound of 分 (ぶん, 'division') and 点 (てん, 'point'). The astronomical sense is a direct translation of the Western term 'equinoctial point'.