acarocecidium

noun
ac·​a·​ro·​ce·​cid·​i·​um | \ ¦akə(ˌ)rōsə̇ˈsidēəm\
plural acarocecidia\ -​ēə \ or acarocecidiums\ -​ēəmz \

Definition of acarocecidium

: a plant gall caused by an acarid

First Known Use of acarocecidium

1877, in the meaning defined above

History and Etymology for acarocecidium

New Latin, from acar- + cecidium

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