nadir

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n. 天底, 最低点

发音

UK /ˈneɪˌdɪə(ɹ)/
UK /ˈnæd.ɪə(ɹ)/
UK /ˈneɪ.də(ɹ)/
UK /neɪˈdɪə(ɹ)/
US /ˈneɪˌdɪɚ/
US /ˈneɪ.dɚ/
US /neɪˈdɪɚ/

词形变化

nadirs 复数 nadirs nadired nadiring nadirs 三单 nadiring 现在分词 nadired 过去式 nadired 过去分词

释义与例句

n.
  1. 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.

    天底

  2. 2.

    The lowest point; time of greatest depression.

    低谷

    比喻

    Near-synonym: dead

  3. 3.

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

    天文

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

  4. 4.

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

    古体 植物学 商务
v.
  1. 1.

    To extend (a beehive) by adding an empty box at the base.

    及物 植物学 商务

词汇关系

名词

同义词 1

low-water mark

反义词 1

zenith

上位词 3

hardship adversity hard knocks

整体词 6

heavens sphere firmament celestial sphere empyrean welkin

词源

From Medieval Latin nadir, from Arabic نَظِير السَّمْت (naẓīr as-samt), composed of نَظِير (naẓīr, “counterpart, corresponding to”) and السَّمْت (as-samt, “the zenith”).

来源：wiktionary