Meaning of “science” - Learner’s Dictionary

science

noun uk us /saɪəns/
KNOWLEDGE [ U ]

A2 the study and knowledge of the structure and behaviour of natural things in an organized way

TYPE [ C, U ]

B1 a particular type of science:

computer science
Chemistry, physics, and biology are all sciences.
→ See also natural sciences , social science

(Definition of “science” from the Cambridge Learner’s Dictionary © Cambridge University Press)