glass-makers' potash
• (n.) Glassmaker`s ashes; a kind of potash or pearlash, brought from the Levant and Syria, -- used in the manufacture of fine glass.
Pol've·rine noun [ Italian polverino , from polvere ... ust, Latin pulvis , - veris . See Powder .] Glassmaker's ashes; a kind of potash or pearlash, brought from the Levant and Syria, -- used in the manufacture of fine glass.