Epizoon

noun

Definitions

Noun
  1. 1
    A microorganism (such as a yeast-type fungus or a protozoon) that grows on the surface of an animal host, as:; In a nonparasitic way, using an animal's skin as a microhabitat. usually
  2. 2
    any external parasitic organism (as fleas) wordnet
  3. 3
    A microorganism (such as a yeast-type fungus or a protozoon) that grows on the surface of an animal host, as:; In a parasitic way, as an external parasite. uncommon

Etymology

From epi- + -zoon.

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