hard science
noun /ˌhɑːd ˈsaɪəns/
/ˌhɑːrd ˈsaɪəns/
- [uncountable] science that is based on measuring and observing physical facts or events and is not influenced by personal feelings or opinions
- [countable] a science that involves measuring and observing physical facts or events, such as physics and chemistry, and is not influenced by personal feelings or opinions