Fineness can refer to:

• Fineness, a measure of the purity of precious metals
• Fineness modulus, a measurement of the coarseness of an aggregate
• Fineness ratio, in aerospace engineering, the length to width ratio of a streamlined body

• Five Dolls for an August Moon
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• Five-Faced Bishop
• Five-faced bishop
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• Five Faces of Darkness (Part 1)
• Five Faces of Darkness (Part 2)
• Five Faces of Darkness (Part 3)