
好词典

源自中古拉丁语 'viscosus'(粘性的),与拉丁语 'viscum'(槲寄生,其浆果有粘性)相关,14世纪进入英语。
❶ 粘度,指液体或半流体抵抗流动的性质。粘度高的物质流动缓慢,如蜂蜜;粘度低的物质流动快,如水。
“Honey has a higher viscosity than water.”
(蜂蜜的粘度比水高。)
“The viscosity of the oil affects engine performance.”
(油的粘度会影响发动机性能。)
kinematic viscosity — 运动粘度,指流体粘度与其密度的比值,常用于工程和物理领域描述流体特性。
“Kinematic viscosity is important in hydraulic system design.”
(运动粘度在液压系统设计中很重要。)