em ‧ pir ‧ i ‧ cis ‧ m AC /ɪmˈpɪrəsɪz ə m, ɪmˈpɪrɪsɪz ə m/ BrE AmE noun [uncountable]
[ Word Family: noun : ↑ empiricism , ↑ empiricist ; adverb : ↑ empirically ; adjective : ↑ empirical ]
the belief in basing your ideas on practical experience
—empiricist noun [countable]