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acarinarium

noun ac·a·ri·nar·i·um \ -rəˈna(a)rēəm \
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Definition of acarinarium

plural acarinaria \-ēə\ or acarinariums \-ēəmz\
: a chamber of the body wall of insects (such as wasps) frequently infested by tiny nonparasitic mites

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Origin and Etymology of acarinarium

New Latin, from Acarina + -arium

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