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Araby
aracari
arachidonic acid
arachis oil
arachnid
arachniography
arachnodactyly
arachnoid
arachnology
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Arafura Sea
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aragonite
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arachnology
a·rach·nol·o·gy [ ə ràk nólləjee ]


noun 
Definition:
 
study of arachnids: the branch of zoology concerned with the study of spiders and other arachnids
[Mid-19th century. < Greek arakhnē "spider"]

a·rach·nol·o·gist noun
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