Definition of Saybolt in US English:

Saybolt

noun

US
  • 1Attributive Designating instruments, methods, and concepts devised by or associated with Saybolt; (also) with reference to the use of such instruments, methods, and concepts; as "Saybolt method", "Saybolt reading", etc.

  • 2A Saybolt viscometer.

adjective

US
  • As postpositive.

Origin

Late 19th century. From the name of George M. Saybolt, U.S. oil chemist.

Pronunciation

Saybolt

/ˈseɪbəʊlt/