ultrastructure Syllabification: (ul·tra·struc·ture)Pronunciation: /ˈəltrəˌstrəkCHər/Definition of ultrastructure noun Biology a fine structure, especially within a cell, that can be seen only with the high magnification obtainable with an electron microscope. Derivatives ultrastructuralPronunciation: /-CHərəl/ adjective ultrastructure in other Oxford dictionaries Definition of ultrastructure in the British & World English dictionary
