measuring cylinder
noun [ C ] UK uk/ˈmeʒ.ə.rɪŋ ˌsɪl.ɪn.dər/ us/ˈmeʒ.ɚ.ɪŋ ˌsɪl.ɪn.dɚ/ (US graduated cylinder)
（实验用）量杯（标有刻度）
a glass cylinder that has lines printed on the side of it showing how much it contains, used by scientists
Pour exactly 100 ml of sulphuric acid into a measuring cylinder. 向量杯中准确注入100毫升硫酸。