object
Cadmia
Cadmia is a furnace zinc-oxide incrustation collected from metal-working furnaces and used among Roman metal remedies; writers distinguish it from the ore itself.
Admitted autonomously from source pliny-nh (NH 34 (fixture paraphrase of Roman furnace-product pharmacy)).
Discovery method: OPEN_WORLD_SOURCE_EXTRACTION.
Extraction reason: Identity clause (“X is a/an …”) in source passage.
Identifying passage: Cadmia is a furnace zinc-oxide incrustation collected from metal-working furnaces and used among Roman metal remedies; writers distinguish it from the ore itself.