Refinement

1.

(A refining or being refined the result of this, a freeing from unpurities or unwanted matter; good manners and taste; freedom from coarseness, improvement, a piece of subtle reasoning, a fine distinction) ការស្លឬចំហុយ (ប្រេងកាត) ម្ដងទៀត, ការចម្រាញ់ជាថ្មី
Example: the refinement of metal, a lady of great refinement, The inventor introduced many refinement into the machine be fore it was put into use.

2.

(បច្ចេកទេស) ការចម្រាញ់ការធើ្វអោយល្អប្រសើរ

1.

The act of refining, or the state of being refined; as, the refinement or metals; refinement of ideas.

2.

That which is refined, elaborated, or polished to excess; an affected subtilty; as, refinements of logic.