lubricant /ˈluːbrɪkənt/ noun plural lubricants
plural lubricants
Learner's definition of LUBRICANT
1
[count, noncount] : a substance (such as grease or oil) that causes something (such as a machine part) to be slippery and to move more smoothly润滑剂;润滑油 2
[count] : something that makes it easier for people to work or talk with each other(使相互间的工作或谈话更容易的)调和剂,润滑剂