Nadir (disambiguation)

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Nadir may refer to any of the following:

Sciences

By association, nadir is also used to mean the lowest point in a number of fields:

  • In biology and the natural sciences, nadir refers to a temporal low point in the population of a species, or the lowest point of some other parameter.
  • In hydrology nadir may refer to the low point in a lake level varying by season or for a long term natural cycle.
  • In economics, nadir means a low in the price of products.
  • In medicine, nadir can also be used to refer to the lowest blood count for a given patient in a given period of time (i.e., a patient's ANC Nadir or absolute neutrophil count). For example, patients undergoing chemotherapy will exhibit an ANC Nadir a week after starting therapy due to bone marrow suppression.
  • In astrology, the nadir is synonymous with the imum coeli.


People