diameter
Pronunciation: [daɪˈæmətər]
Word
Context: "mathematics"
(noun) the distance across a circle or sphere through its center. Imagine a round pizza; the diameter is the longest line you can draw across the pizza, going through the middle.
Example
The diameter of the round table is three feet.
Example
The diameter of the small circle is not larger than the diameter of the bigger circle.
Example
What is the diameter of that circular pool?
Context: "science"
(noun) the width of an object that is not necessarily circular, but you can also use diameter to describe its size at the widest point. For instance, the diameter can apply to a tree trunk or a large pipe.
Example
The diameter of the tree is two feet.
Example
The diameter of my toy car is not as big as that of a real car.
Example
How do you measure the diameter of that pipe?
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