micropore Syllabification: (mi·cro·pore)Pronunciation: /ˈmīkrəˌpôr/Definition of micropore noun a very narrow pore, especially in a material. Derivatives microporosityPronunciation: /ˌmīkrōpəˈräsətē, -pôrˈäsətē/ noun microporousPronunciation: /ˌmīkrəˈpôrəs/ adjective micropore in other Oxford dictionaries Definition of micropore in the British & World English dictionary