thysanuran
thysanuran
Definition
thy·sa·nu·ran (t̸hī′sə nyo̵or′ən, -no̵or′-; t̸his′ə--)
noun
any of an order (Thysanura) of very primitive insects that have bristlelike appendages at the rear end, including bristletails and silverfish
Etymology: < ModL Thysanura (< Gr thysanos, tassel + oura, a tail) + -an
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