theoretical
adjective OPAL WOPAL S
  /ˌθɪəˈretɪkl/
  /ˌθiːəˈretɪkl/
[usually before noun]- connected with the ideas and principles on which a particular subject is based, rather than with practice and experiment
- a theoretical approach
 - theoretical physics
 - The first year provides students with a sound theoretical basis for later study.
 
Extra ExamplesTopics Scientific researchc1- Early analyses of evolution on the planet were highly theoretical.
 - Most experiments take place within a theoretical framework.
 - Theoretical knowledge forms the basis of most of our teaching.
 - This study is by no means purely theoretical.
 - We aim to provide you with both theoretical and practical knowledge of your subject.
 
Oxford Collocations Dictionaryverbs- be
 - remain
 
- highly
 - merely
 - purely
 - …
 
 - that could possibly exist, happen or be true, although this is unlikely
- It's a theoretical possibility.
 
Oxford Collocations Dictionaryverbs- be
 - remain
 
- highly
 - merely
 - purely
 - …