名詞 ecliptic:

1. the great circle representing the apparent annual path of the sun; the plane of the Earth's orbit around the sun; makes an angle of about 23 degrees with the equator

e.clip.tic

n.（名詞）
The intersection plane of the earth`s orbit with the celestial sphere, along which the sun appears to move as viewed from the earth.
黃道：地球運(yùn)行軌道與天球的交界面，在地球上看，太陽(yáng)似乎沿著黃道運(yùn)行
A great circle inscribed on a terrestrial globe inclined at an approximate angle of 23=27&S{￠} to the equator and representing the apparent motion of the sun in relation to the earth during a year.
黃道線(xiàn)：地球儀上刻著的大圈，與赤道平面大致成23=27&S{￠}的角，代表一年中太陽(yáng)相對(duì)于地球的表象運(yùn)動(dòng)

來(lái)源：
Middle English ecliptik
中古英語(yǔ) ecliptik
from Medieval Latin (lonea) ecloptica [ecliptic (line)]
源自 中世紀(jì)拉丁語(yǔ) (lonea) ecloptica [黃道線(xiàn)]
from Latin eclopticus [of an eclipse]
源自 拉丁語(yǔ) eclopticus [食的]
from Greek ekleiptikos
源自 希臘語(yǔ) ekleiptikos
from ekleipein [to fail to appear] * see eclipse
源自 ekleipein [不能出現(xiàn)] *參見(jiàn) eclipse