sabin

noun1

1. •
   A unit of measurement that measures a material's absorbance of sound. A material that is 1 square meter in size that can absorb 100% of sound has a value of one metric sabin.

   • Sabine gave his name to the sabin, the standard unit that is ‘equal to the sound absorption of a square foot of a perfectly absorbing surface such as an open window’. — 2012