† ˈvitrum Obs. rare.
[L.]
Glass; a glassy substance; a glass vessel.
| 1657 Physical Dict., Vitrum, glass: it's used to signifie glass distilling vessels, or any other vessels made of glass. 1665 Hooke Microgr. 51 A certain thin Lamina of a vitrum or vitrified part of the Metal. 1694 Salmon Bate's Dispens. (1713) 547/1 Le Febure makes the Salt..of the Glass.., but he mingles the Vitrum with its equal Weight of Sulphur in Pouder. |