- structure on a microscopic scale, esp the structure of an alloy as observed by etching, polishing, and observation under a microscope
WordReference Random House Unabridged Dictionary of American English © 2026
mi•cro•struc•ture
(mī′krō struk′chər),USA pronunciation n. [Metall.]
- Metallurgythe structure of a metal or alloy as observed, after etching and polishing, under a high degree of magnification.
- micro- + structure 1880–85
Collins Concise English Dictionary © HarperCollins Publishers::
microstructure /ˈmaɪkrəʊˌstrʌktʃə/ n
'microstructure' also found in these entries (note: many are not synonyms or translations):