transcription, транскрипция: [ dī-ˈa-mə-tər ]
noun
Etymology: Middle English diametre, from Middle French, from Latin diametros, from Greek, from dia- + metron measure — more at measure
Date: 14th century
1. : a chord passing through the center of a figure or body
2. : the length of a straight line through the center of an object
3. : a unit of enlargement used with a number to indicate magnification by a lens or optical system
an object one millimeter wide magnified 40 diameter s appears 40 millimeters wide
• di·am·e·tral -ˈa-mə-trəl adjective