vitrum

Etymology

From Latin vitrum.

vitrum means glass; a glassy material. Lexicurio rates it Sui generis — a strength score of 91 out of 100.

noun

Glass; a glassy material.“I imagine it to be some small parcel of the Steel, which by the violence of the motion of the stroke […] is made so glowing hot, that it is melted into a Vitrum, which by the ambient Air is thrust into the form of a Ball.”