Term: motor oil: oil used to lubricate the moving parts of a motor
Broader: lubricant: a substance capable of reducing friction by making surfaces smooth or slippery | Unrelated: microcosm: a miniature model of something
Broader: lubricant: a substance capable of reducing friction by making surfaces smooth or slippery | Unrelated: sierra lodgepole pine: tall subspecies of lodgepole pine
Broader: lubricant: a substance capable of reducing friction by making surfaces smooth or slippery | Unrelated: blue goose: North American wild goose having dark plumage in summer but white in winter
Broader: lubricant: a substance capable of reducing friction by making surfaces smooth or slippery | Unrelated: meadowlark: North American songbirds having a yellow breast
Broader: lubricant: a substance capable of reducing friction by making surfaces smooth or slippery | Unrelated: pilot: a person qualified to guide ships through difficult waters going into or out of a harbor
Broader: lubricant: a substance capable of reducing friction by making surfaces smooth or slippery | Unrelated: booth: small area set off by walls for special use
Broader: lubricant: a substance capable of reducing friction by making surfaces smooth or slippery | Unrelated: homogenate: material that has been homogenized (especially tissue that has been ground and mixed)
Broader: lubricant: a substance capable of reducing friction by making surfaces smooth or slippery | Unrelated: ginger: pungent rhizome of the common ginger plant; used fresh as a seasoning especially in Asian cookery
Broader: lubricant: a substance capable of reducing friction by making surfaces smooth or slippery | Unrelated: trip wire: a wire stretched close to the ground that activates something (a trap or camera or weapon) when tripped over
Broader: lubricant: a substance capable of reducing friction by making surfaces smooth or slippery | Unrelated: pneumothorax: abnormal presence of air in the pleural cavity resulting in the collapse of the lung; may be spontaneous (due to injury to the chest) or induced (as a treatment for tuberculosis)