Some ancient Greek pottery terminology today. Pretty interesting how they found out these things to make their pottery art.
One of the styles of painting on antique Greek vases that leaves black figures (after oxygen withdrawn in kiln)
One of the styles of painting on antique Greek vases that leaves red figures (after oxygen added in kiln after it was withdrawn to create black-figures)
Convert (something) into glass or a glasslike substance, typically by exposure to heat