Definition of "smelt"

These direct Men, they are no Men of fashion, Talk what you will , this is a very Smelt

c. 1615–1616, Francis Beaumont, John Fletcher, “Loves Pilgramage, a Comedy”, in Comedies and Tragedies […], London: […] Humphrey Robinson, […], and for Humphrey Moseley […], published 1647, (please specify the act number in uppercase Roman numerals, and the scene number in lowercase Roman numerals)

The green liquor, ie, [sic] the solution obtained on dissolving the smelt, contains an insoluble residue called dregs, which gives it a dark green appearance.

1982, Raymond E. Kirk and Donald F. Othmer, Encyclopedia of Chemical Technology, Wiley, page 405

When the smelt was complete the crucible could be lifted out and the metal poured directly into the moulds, thus avoiding the need to break it up and remelt […]

1996, Arthur J. Wilson, The Living Rock: The Story of Metals Since Earliest Time and Their Impact on Civilization

[…] can vary in different positions in the furnace and during the smelt. / Furnaces are unlikely to survive the smelts; all that often remains on metal production sites is just furnace bases and broken fragments of furnaces […]

2000, Julian Henderson, The Science and Archaeology of Materials: An Investigation of Inorganic Materials

Women are allowed to play some small part in the smelt if they are breastfeeding or post-menopausal (van der Merwe and Avery, 1988).

2002, Jenny Moore, “Who Lights the Fire? Gender and the Energy of Production”, in Moira Donald and Linda Hurcombe (eds.), Gender and Material Culture in Archaeological Perspective, Palgrave Macmillan, page 130