from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A unit of acoustic absorption equivalent to the absorption by one square foot of a surface that absorbs all incident sound.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A unit of measurement, in the International System of Units (SI), 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.


After Wallace Clement Ware Sabine (1868-1919), American physicist.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Wallace Clement Sabine (1868-1919), US physicist. (Wiktionary)



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  • You mean it's not named after Sabine, the teenage witch?

    December 9, 2008

  • WordNet 3 is the only time I've encountered this word.

    December 8, 2008

  • See WordNet definition above. A sabin was first called an open window unit because it represents the sound absorption of one square foot of a perfectly absorbing surface--such as an open window. Named after Wallace Sabine, a Harvard professor who founded the systematic study of acoustics around 1895.

    November 7, 2007