turbinal adjective & noun. ['tǝ:bɪn(ǝ)l] L16.
[from Latin turbin-, turbo (see TURBO noun¹) + -AL¹.]
A. adjective. = TURBINATE adjective. L16.
b. noun. Anatomy & Zoology. Each of three thin curved shelves of bone in the sides of the nasal cavity in humans and higher vertebrates, covered in mucous membrane; a turbinate bone. Also called scroll-bone, nasal concha. M19.

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