精せい糖とう

noun

refined sugar; sugar refining

Refers both to the product (refined sugar) and the process (sugar refining). Context determines which meaning applies.

• この工こう場じょうでは精せい糖とうを行おこなっています。

  This factory carries out sugar refining.

• 精せい糖とうは白しろくてきれいな砂さ糖とうです。

  Refined sugar is white and clean.