Acaridae
noun plural
Acar·i·dae
| \ ə-ˈkar-ə-ˌdē
\
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Medical Definition of Acaridae
: a large and widely distributed family of mites that feed on organic substances (as preserved meats, hides, seeds, and grains) and are sometimes responsible for dermatitis in persons exposed to repeated contacts with infested products — see grocer's itch