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hemocytometer

American  
[hee-moh-sahy-tom-i-ter, hem-oh-] / ˌhi moʊ saɪˈtɒm ɪ tər, ˌhɛm oʊ- /

noun

Medicine/Medical.
  1. an instrument for counting blood cells.


Etymology

Origin of hemocytometer

First recorded in 1875–80; hemo- + cyto- + -meter