Lubricity (noun)

1. The property of a substance that allows it to reduce friction and wear when in contact with other substances.
2. The quality of being smooth and slippery, especially in a sexual or immoral sense.

Origin:

From the latin word "lubricus" meaning "slippery" or "smooth".

Examples:

1. The lubricity of the oil helped to reduce friction in the engine.
2. The lubricity of the new material made it perfect for use in gears.
3. The lubricity of the new lubricant was tested under extreme conditions.
4. Her lubricity was obvious in the way she moved her hips.
5. His lubricity made him easy to manipulate.