- a whitish, saline scum formed on the surface of molten glass.
Origin of sandiver
Also called glass gall.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for sandiver
The use of the sandiver seems to be, to prevent the iron wire that binds the plated metal tube from being soldered to it.