†b.the fat of glass: = French suin de verre, sandivern., glass-galln.Obsolete.
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society > occupation and work > materials > derived or manufactured material > glass and glass-like materials > [noun] > glass-making materials > waste matter in glass production
sandiverc1400
fretten1477
the fat of glass1578
collet1662
moil1875
1578 H. Lyte tr. R. Dodoens Niewe Herball 116 That which..swimmeth upon the stuffe whereof Glasses are made, is now called in Shoppes Axungia vitri: in English, the fatte or floure of Glasse.