vitrified

/ˈvɪt.rɪ.faɪ/

动词

（使）成玻璃，（使）玻璃化；（使）呈玻璃状
About sixty prehistoric stone forts in Scotland have vitrified walls, where the stone was melted into glass.
在苏格兰，大约有六十座史前石堡有玻璃化墙壁，石头经熔化形成玻璃。