Saybolt viscosity

noun
Say·​bolt viscosity | \ ˈsāˌbōlt-\

Definition of Saybolt viscosity

: viscosity as determined by the number of seconds required for an oil heated to 130° F for lighter oils and 210° F for heavier oils to flow through a standard orifice and fill a 60 milliliter flask

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History and Etymology for Saybolt viscosity

after George M. Saybolt †1924 American chemist

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