Medical Dictionary

Ornithonyssus

noun Or·ni·thon·ys·sus \ ˌȯr-nə-ˈthän-ə-səs , -thə-ˈnis-əs \

medical Definition of Ornithonyssus

: a genus of mites (family Macronyssidae) that are parasitic on vertebrates and include the rat mite (O. bacoti) and two serious pests (O. bursa and O. sylviarum) of domestic fowl

Seen and Heard

What made you want to look up Ornithonyssus? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!