ˈsfedˌbərg, ˈsve- noun
or svedberg unit
( -s )
Usage: often capitalized S
Etymology: after The Svedberg b 1884 Swedish chemist, its formulator
: a unit of time amounting to 10 -13 second that serves in measuring the sedimentation velocity of a protein solution or other colloidal solution in an ultracentrifuge for use in an equation for determining the molecular weight of a protein