TOP

Definition of diameter noun from the Oxford Advanced American Dictionary

     

    diameter

     noun
    noun
    NAmE//daɪˈæmət̮ər//
     
     
    jump to other results
  1. 1a straight line going from one side of a circle or any other round object to the other side, passing through the center the diameter of a tree trunk The dome is 120 feet in diameter. compare radius
  2. 2(technology) a measurement of the power of an instrument to magnify something a lens magnifying 300 diameters (= making something look 300 times larger than it really is).
See diameter in the Oxford Advanced Learner's Dictionary
Check pronunciation: diameter

Nearby words