1. plural of diameter; straight lines passing through the center of a circle or sphere from one side to the other

Examples

• The engineer measured the diameters of all the pipes in the system.
• These circles have different diameters but the same circumference ratio.
• The telescope can detect planets with diameters similar to Earth’s.
• We need to calculate the diameters of these spherical tanks.
• The tree trunks had diameters ranging from six inches to three feet.
• All the coins have standardized diameters for vending machines.