IPA: //ˌmaɪ.kroʊˈstrʌk.tʃər.əl//
KK: /maɪkroʊˈstrʌkʧərəl/
Relating to the small structures within a material that can only be seen with a microscope.
The researchers studied the microstructural properties of the new alloy to understand its strength.
Microstructural → It is formed from "micro-" (from Greek "mikros", meaning small) and "structural" (from Latin "structura", meaning arrangement or building). The word "microstructural" refers to the small-scale arrangement or structure of materials.
Think of 'small' ('micro-') and 'arrangement' ('structura') to remember that 'microstructural' relates to the tiny structures within materials.