refine

They had a very refined apparatus.

They refine sugar using this way.

The purpose of oil refinery is to refine crude petroleum.

They refined gold out of the ore.

refined his manners; refined her speaking style.

the refined foods soon metabolize.

sugar was refined by boiling it in huge iron vats.

They refined crude oil into various petroleum products.

We shall have to refine on our methods of advertising.

Modern medical techniques refine on those of the past.

inventories have been refined over many years.

the machine refines the shape of the stone and gives it polish.

Sugar, oil and metals are refined before use.

Reading good books helps to refine one's speech.

delicacies pleasing to the most refined palate.

He has refined his taste and manners.

Much of the really nutritive material actually was refined out of food.

ease of access to computers has refined analysis and presentation of data.

the working hypothesis is tested and refined through discussion.

The heat sinker adopts refined aluminum-alloy with anodize process on the surface.Pure color.