M3I1C3R1O1S1T1R1U1C3T1U1R1E1
20 points
MICROSTRUCTURE is validvalid
the microscopic structure of a material, as a mineral or a biological cell
the microscopic structure of a material, as a mineral or a biological cell
the microscopic structure of a material, as a mineral or a biological cell
the microscopic structure of a material, as a mineral or a biological cell