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- Dictionarynadir/ˈneɪdɪə/
noun
- 1. the lowest or most unsuccessful point in a situation: "asking that question was the nadir of my career"
- 2. the point on the celestial sphere directly below an observer.
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the point directly below a particular place, or the lowest point reached by a heavenly body (= any object existing in space, especially a planet, or the sun) as it travels around, or appears to travel around, another body: The sun, or any celestial body, is said to be at its nadir when at its lowest point.
The meaning of NADIR is the point of the celestial sphere that is directly opposite the zenith and vertically downward from the observer. How to use nadir in a sentence.
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 definition: the point on the celestial sphere directly beneath a given position or observer and diametrically opposite the zenith.. See examples of NADIR used in a sentence.
Generally in medicine, nadir is used to indicate the progression to the lowest point of a clinical symptom (e.g. fever patterns) or a laboratory count. In oncology, the term nadir is used to represent the lowest level of a blood cell count while a patient is undergoing chemotherapy. [3]
nadir in British English. (ˈneɪdɪə , ˈnæ- ) noun. 1. the point on the celestial sphere directly below an observer and diametrically opposite the zenith. 2. the lowest or deepest point; depths. the nadir of despair. Collins English Dictionary.
1. (Astronomy) the point on the celestial sphere directly below an observer and diametrically opposite the zenith. 2. the lowest or deepest point; depths: the nadir of despair. [C14: from Old French, from Arabic nazīr as-samt, literally: opposite the zenith]
Definition of nadir noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
Astronomy the point on the celestial sphere directly beneath a given position or observer and diametrically opposite the zenith. Astrology the point of a horoscope opposite the midheaven: the cusp of the fourth house. the lowest point; point of greatest adversity or despair.
Jun 2, 2024 · Noun. [edit] nadir (plural nadirs) 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. Antonym: zenith.
