Lubrication (noun)

1. The process of applying a lubricant to reduce friction and wear between moving parts.
2. The state of being lubricated.

Origin:

The term "lubrication" comes from the latin word lubrĭcāre which means to make smooth. the word was formed by combining the prefix "lu-" meaning smooth, and the root word "-brica" meaning oil.

Examples:

1. The car required regular lubrication to keep the engine running smoothly.
2. The gears in the machinery needed lubrication to prevent wear and tear.
3. The bearings were lubricated with oil to reduce friction and heat.
4. Proper lubrication is important for the longevity and efficient functioning of machinery.
5. The lack of lubrication caused the gears to grind and produce heat.