Diameter Meaning
/daɪˈæmɪtə(ɹ)/Definition, CEFR level B1, pronunciation, examples, and quiz.
Definition
nounAny straight line between two points on the circumference of a circle that passes through the centre/center of the circle; a chord that passes through the center of the circle.
nounAny straight line between two points on the circumference of a circle that passes through the center of the circle; a chord that passes through the center of the circle.
Sentence Examples
Word Origin & History
Etymology tree Proto-Indo-European *dwóh₁ Proto-Indo-European *dwísder. Ancient Greek διά (diá) Ancient Greek δῐᾰ- (dĭă-) Proto-Indo-European *meh₁- Proto-Indo-European *-tḗr Proto-Indo-European *-trom Proto-Hellenic *-tron Ancient Greek -τρον (-tron) Ancient Greek μέτρον (métron) Ancient Greek διάμετρος (diámetros)bor. Latin diametros Old French diametre English diameter From Old French diametre (French diamètre), from Latin diametros, from Ancient Greek διάμετρος (diámetros) (γραμμή (grammḗ)) (diametros grammē, “line measuring across”), from διά (diá, “across”) + μέτρον (métron, “measure”). By surface analysis, dia- + -meter.