haematinum
noun
hae·mat·i·num
hēˈmatənəm
variants or less commonly haematinon
-təˌnän
plural -s
: a hard opaque red glass made by the ancients
also : a modern imitation of this
Word History
Etymology
New Latin, from neuter of Latin haematinus blood-colored, from Greek haimatinos bloody, from haimat- hemat- + -inos -ine