Saybolt viscometer
(also Saybolt viscosimeter)
noun
A viscometer invented by Saybolt for measuring the viscosity of petroleum based liquids, typically consisting of an oil tube surrounded by a heated bath which controls the temperature of the liquid.
- The original Saybolt viscometer was subsequently termed the Saybolt universal viscometer, to distinguish it from a modified version called the Saybolt Furol viscometer..
Origin
Late 19th century.
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