lubricar bedeutet auf Englisch

grease [greased, greasing, greases]▼verb
[UK: ɡriːs] [US: ˈɡriːs]

lubricate [lubricated, lubricating, lubricates]▼(to make slippery or smooth)
verb
[UK: ˈluː.brɪk.eɪt] [US: ˈluː.brɪˌket]Before putting the cables in, I lubricate the tube. = Antes de meter los cables, lubrico el tubo.