a filter that removes impurities from the oil used to lubricate an internal-combustion engine
an interface forming the boundary between the non-miscible liquids oil and water
remove by passing through a filter
device that removes something from whatever passes through it
pass through
an electrical device that alters the frequency spectrum of signals passing through it
a slippery or viscous liquid or liquefiable substance not miscible with water
oil paint containing pigment that is used by an artist
administer an oil or ointment to; often in a religious ceremony of blessing
