Lubricant

1.

(a lubricating substance) ប្រេងខ្លាញ់ (សម្រាប់ដាក់គ្រឿងយន្ដ)

1.

(reducing friction by provide a smooth film) ដែលធ្វើអោយរអិល

1.

That which lubricates; specifically, a substance, as oil, grease, plumbago, etc., used for reducing the friction of the working parts of machinery.

1.

Lubricating