This is the 6368th most frequent German word.
durchmesser
Diameter.
In this sentence, 'durchmesser' is used to denote the measure of the straight line passing through the center of a circle and connecting two points on its boundary, hence its geometric usage.
Der Durchmesser des Kreises beträgt 10 cm.
The diameter of the circle is 10 cm.
Here, 'durchmesser' is employed to specify the measurement of a circular object (the table) in terms of its width through the center point.
Der Tisch hat einen Durchmesser von 1 Meter.
The table has a diameter of 1 meter.
In this sentence, 'durchmesser' functions as a subject representing the concept of diameter in a general, definitional way, describing its application within geometry.