rat mite
noun
: a widely distributed mite of the genus Ornithonyssus (O. bacoti synonym Bdellonyssus bacoti) that usually feeds on rodents but may cause dermatitis in and transmit typhus to humans
Cite this Entry
“Rat mite.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/rat%20mite. Accessed 11 Jul. 2025.
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