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nadir    音标拼音: [n'edɚ]
n. 天底,最底点,最低点

天底,最底点,最低点

nadir
n 1: an extreme state of adversity; the lowest point of anything
[synonym: {nadir}, {low-water mark}]
2: the point below the observer that is directly opposite the
zenith on the imaginary sphere against which celestial bodies
appear to be projected [ant: {zenith}]

Nadir \Na"dir\ (n[=a]"d[~e]r), n. [F., Sp., & It. nadir; all fr.
Ar. naz[imac]ru's samt nadir, prop., the point opposite the
zenith (as samt), in which naz[imac]r means alike,
corresponding to. Cf. {Azimuth}, {Zenith}.]
1. That point of the heavens, or lower hemisphere, directly
opposite the zenith; the inferior pole of the horizon; the
point of the celestial sphere directly under the place
where we stand.
[1913 Webster]

2. The lowest point; the time of greatest depression.
[1913 Webster]

The seventh century is the nadir of the human mind
in Europe. --Hallam.
[1913 Webster]

{Nadir of the sun} (Astron.), the axis of the conical shadow
projected by the earth. --Crabb.
[1913 Webster]

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  • Nadir - Wikipedia
    Specifically, in astronomy, geophysics and related sciences (such as meteorology), the nadir at a given point is the local vertical direction pointing in the direction of the force of gravity at that location
  • NADIR Definition Meaning - Merriam-Webster
    The source of nadir is naḍhīr, meaning “opposite”—the opposite, that is, of the zenith, the highest point of the celestial sphere which is positioned vertically above the observer (The word zenith itself is a modification of another Arabic word that means “the way over one’s head ”)
  • NADIR | English meaning - Cambridge Dictionary
    Core body temperature rises gradually from its nadir in the middle of the night during slow-wave sleep, the least active brain state At the winter solstice we acknowledge the sun at its nadir and we beseech its return
  • Nadir - Chemocare
    When discussing chemotherapy side effects you may hear the term nadir used, usually in reference to the blood counts, particularly white blood cell count and platelet count Nadir basically means low point, however further explanation may clarify this term in connection with chemotherapy treatment
  • Nadir | Definition Astronomy | Britannica
    Nadir is a term used in astronomy for the point in the heavens exactly opposite to the zenith, the zenith and nadir being the two poles of the horizon That is, the zenith is directly overhead, the nadir directly underfoot
  • nadir - Wiktionary, the free dictionary
    Diagram showing the relationship between the zenith, the nadir, and different types of horizon Nadir is opposite the zenith
  • Adnan Nadir, MD, Gastroenterology in Carrollton, TX
    Nadir places a priority on providing quality comprehensive care for common and complex digestive, esophageal and urologic disorders, including pancreatic disease and colon rectal disorders Dr Nadir earned his medical degree from Dow Medical College in Pakistan
  • Nadir - Definition, Meaning Synonyms | Vocabulary. com
    In fact, nadir is derived from the Arabic nazir, which means “opposite to ” It is still used in astronomy to indicate the part of the celestial sphere located directly below an observer, but also more generally to describe the worst point of someone’s life or career
  • Nadir Watches Official Store
    Our watches are designed to serve as indispensable tools, daily beaters, fueled not just by mechanical precision but also by the rhythmic movement of your wrist, ensuring they keep pace with your every adventure
  • Nadir — Definition, Formula Examples
    Nadir is the point on the celestial sphere directly below an observer, exactly opposite the zenith (the point directly overhead) In everyday use, it refers to the lowest possible point





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