lu·bri·cate 
/ˈlu:brəˌkeɪt/ verb
lu·bri·cates; lu·bri·cat·ed; lu·bri·cat·ing /ˈlu:brəˌkeɪt/ verb [+ obj] : to make (something) smooth or slippery : to apply a lubricant to (something, such as a machine or a part of a machine)
▪ lubricate a car engine ▪ lubricate a hinge
▪ lubricate a car engine ▪ lubricate a hinge
— lu·bri·ca·tion /ˌlu:brəˈkeɪʃən/ noun, plural lu·bri·ca·tions
[noncount] ▪ a hinge that needs lubrication [count] ▪ repeated lubrications of the engine
/ˌlu:brəˈkeɪʃən/ noun, plural lu·bri·ca·tions [noncount] ▪ a hinge that needs lubrication [count] ▪ repeated lubrications of the engine
