Answer: lowest point
Word Origin late Middle English (in nadir (sense 2 of the noun)): via French from Arabic naẓīr (as-samt) 'opposite (to the zenith)'.
Scrabble Points: 6
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Nadir definition 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. nadir Has Arabic Roots
The nadir time is usually about 10 days after treatment although this may vary depending on the drugs given. The concern during the nadir time is that the body's first line of defense against infection white blood cells (WBC) and the platelets which help to clot the blood are low leaving a person more susceptible to infection and bleeding.
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Nadir : the lowest point or level. Synonyms: bedrock bottom depth… Antonyms: acme apex climax… Find the right word. SINCE 1828. GAMES & QUIZZES THESAURUS WORD ...
Nadir also refers to the downward-facing viewing geometry of an orbiting satellite such as is employed during remote sensing of the atmosphere as well as when an astronaut faces the Earth while performing a spacewalk. A nadir image is a satellite image or aerial photo of the Earth taken vertically.
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