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Saybolt universal seconds

/ˈseɪˌbəʊlt/
noun
1.
(functioning as sing) a US measurement of viscosity similar in type to the British Redwood seconds
Word Origin
named after G. M. Saybolt (died 1924), US chemist, who proposed it
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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