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microstructure

American  
[mahy-kroh-struhk-cher] / ˈmaɪ kroʊˌstrʌk tʃər /

noun

Metallurgy.
  1. the structure of a metal or alloy as observed, after etching and polishing, under a high degree of magnification.


microstructure British  
/ ˈmaɪkrəʊˌstrʌktʃə /

noun

  1. structure on a microscopic scale, esp the structure of an alloy as observed by etching, polishing, and observation under a microscope

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of microstructure

First recorded in 1880–85; micro- + structure

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Nonetheless, they warn that these “rotations can work for brief periods, but unless there is a structural shift in the economy, the microstructure of the equity market almost ensures such rotations will be short-lived.”

From Barron's • Nov. 19, 2025

This result suggests that not only the electronic structure and composition of the material but also the design and control of the microstructure are important for enhancing the anomalous Nernst coefficient.

From Science Daily • May 9, 2024

The main focus of the development of magnetic materials for transverse thermoelectric conversion has been the exploration of new alloys based on electronic structure, with no research on the microstructure within the materials.

From Science Daily • May 9, 2024

A new approach to reconstruct the real microstructure of ultrafine-grained Nd-Fe-B magnets in large-scale models is proposed in this research.

From Science Daily • Apr. 26, 2024

To obtain the best results in machining, the microstructure of the metal should be determined and a hardness range set that covers the variations in structure that produce good machining results.

From The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel by Colvin, Fred H. (Fred Herbert)