noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A reduction in the numbers of red blood cells, white blood cells and platelets in the blood countable, uncountable
2. 2
   an abnormal deficiency in all blood cells (red blood cells and white blood cells and platelets); usually associated with bone marrow tumor or with aplastic anemia wordnet

Etymology

From pan- + cyto- + -penia

Related phrases

red blood cellwhite blood cell

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.