natural philosophy
noun/ˌnætʃrəl fəˈlɒsəfi/
/ˌnætʃrəl fəˈlɑːsəfi/
[uncountable] (old use)- the study of the physical world, which developed into the natural sciences
- western developments in natural philosophy
- Physics was then a branch of natural philosophy.
Check pronunciation:
natural philosophy