Longman Dictionary of Contemporary English homepage

refine

 verb
     
Related topics: Industry
re‧fine [transitive]
1 to improve a method, plan, system etc by gradually making slight changes to it:
Car makers are constantly refining their designs.
2TI to make a substance purer using an industrial process:
oil refining
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary

Browse the dictionary