Translate Nadir. See 2 authoritative translations of Nadir in English with example sentences and audio pronunciations. n. 1. Nadir is a term that refers to the lowest point of anything.In medical terms, nadir could mean the lowest concentration of a drug in the body. Find more opposite words at wordhippo.com! When chemotherapy is given it not only affects the rapidly dividing cancer cells but it also affects some of the normal cells of the body. nadir Has Arabic Roots How to use nadir in a sentence. Nadir definition, the point on the celestial sphere directly beneath a given position or observer and diametrically opposite the zenith. Find another word for nadir. We use cookies to enhance your experience on our website, including to provide targeted advertising and track usage. Many translated example sentences containing "Nadir" – English-Portuguese dictionary and search engine for English translations. With regard to chemotherapy specifically, it describes the point at which blood cell counts are at their lowest after a chemotherapy treatment.It is commonly referred to as the "nadir period" or simply "nadir" among healthcare workers and patients. Definition of nadir noun in Oxford Advanced Learner's Dictionary. Nadir definition is - the point of the celestial sphere that is directly opposite the zenith and vertically downward from the observer. Tags for the entry "nadir" nadir synonyms, nadir pronunciation, nadir translation, English dictionary definition of nadir. Also find spoken pronunciation of nadir in Hawaiian and in English language. Define nadir. Nadir: the lowest point or level. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. The nadir of the sun is the axis of the shadow projected by the Earth. Antonyms for nadir include top, zenith, acme, climax, summit, apex, head, height, peak and pinnacle. 2. (beekeeping, archaic) An empty box added beneath a full one in a beehive to … Nadir Affects Blood Cell and Platelet Counts. Astronomy A point on the celestial sphere directly below the observer, diametrically opposite the zenith. See more. Meaning and definitions of nadir, translation in Hawaiian language for nadir with similar and opposite words. 10 synonyms of nadir from the Merriam-Webster Thesaurus, plus 12 related words, definitions, and antonyms. English to Hawaiian Dictionary: nadir. The nadir (/ ˈ n eɪ d ɪər /, also UK: / ˈ n æ d ɪər /), (from Arabic: نظير / ALA-LC: naẓīr, meaning "counterpart") is the direction pointing directly below a particular location; that is, it is one of two vertical directions at a specified location, orthogonal to a horizontal flat surface there. Nadir basically means low point, however further explanation may clarify this term in connection with chemotherapy treatment.