• noun:   United States microbiologist (born in Poland) who developed the Sabin vaccine that is taken orally against poliomyelitis (born 1906)
• noun:   a unit of acoustic absorption equivalent to the absorption by a square foot of a surface that absorbs all incident sound
• name:  A surname (rare: 1 in 50000 families; popularity rank in the U.S.: #5432)

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