vitrification
noun [ U ] uk/ˌvɪt.rɪ.fɪˈkeɪ.ʃən/ us/ˌvɪt.rə.fɪˈkeɪ.ʃən/
(GLASS)
(also vitrifaction, /ˌvɪt.rɪ.ˈfæk.ʃən/ /ˌvɪt.rɪ.ˈfæk.ʃən/)成玻璃，玻璃化;玻璃状
the process of changing, or changing something, into glass, or into a substance like glass
(HUMAN EGGS)
冷冻人类卵子和胚胎（储存起来供以后使用）
the process of freezing human eggs and embryos, so they can be stored and used later