MedicalTerminology DB

1 Definition of diameter

Meaning of diameter: The length of a straight line that extends from one edge of a tumor or other object, through its center and to the opposite edge.

The length of a straight line that extends from one edge of a tumor or other object, through its center and to the opposite edge. It is usually used to measure the size of round or spherical shapes.

For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.