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academy
Academy Award
Acadia
Acadia National Park
Acadian
Acadian French
Acadian orogeny
acalculia
acanthamoeba infection
acanthi
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acanthocephalan
acanthomoeba infection
acanthopterygian
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acarus

ac·a·rus [ ákərəss ] (plural ac·a·ri [ ákərī ])


noun 
Definition:
 
mite or tick: a mite or tick ( technical )

[Mid-17th century. Via modern Latin< Greek akari "mite," literally "too short to cut, tiny" < kar- "cut"]
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