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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