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oligospermia

British  
/ ˌɒlɪɡəʊˈspɜːmɪə /

noun

  1. the condition of having less than the normal number of spermatozoa in the semen: a cause of infertility in men

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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Low sperm count, or oligospermia, is a main cause of male infertility.

From Time • Feb. 27, 2012

Some indication of the possible effect on human beings is seen in medical reports of oligospermia, or reduced production of spermatozoa, among aviation crop dusters applying DDT.

From "Silent Spring" by Rachel Carson