English Dictionary

nadir

/ˈneɪˌdɪə(ɹ)/

noun

The point of the celestial sphere, directly opposite the zenith; inferior pole of the horizon; point of the celestial sphere directly under the place of observation.

The nadir is the point on the celestial sphere directly below an observer.

意味（1）

The point of the celestial sphere, directly opposite the zenith; inferior pole of the horizon; point of the celestial sphere directly under the place of observation.

[…] when we are Nadyr to the Sunne, we have no ſhadow […]

意味（2）

(figuratively) The lowest point; time of greatest depression.

[…] the seventh century is the nadir of the human mind in Europe […]

意味（3）

(astronomy) The axis of a projected conical shadow; the direction of the force of gravity at a location; down.

The nadir of the sun is the axis of the shadow projected by the Earth.

意味（4）

(beekeeping, archaic) An empty box added beneath a full one in a beehive to give the colony more room to expand or store honey.