diameter
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/daɪˈæmɪtər/
🇬🇧
/daɪˈæmɪtə(r)/
A straight line through the center of a circle or round object from one side to the other.
The diameter of the pizza was 12 inches, making it perfect for sharing.
A measure of how much a lens or instrument can make things look bigger.
The microscope lens had a magnification of 300 diameters, allowing detailed observation.