Definition of piroplasm in US English:

piroplasm

noun

Medicine
  • A protozoan of the sporozoan class Piroplasmea, which comprises species that are parasitic in red blood cells (some are important pathogens of domestic animals) and are transmitted by ticks.

Origin

Early 20th century. From scientific Latin Piroplasma piroplasma; compare -plasm.

Pronunciation

piroplasm

/ˈpʌɪrə(ʊ)plaz(ə)m/