|
di·am·e·ter
diameter
|
|
- pronunciation:
- daI
ae
mih
tr
- features:
- Word Combinations (noun), Word Explorer, Word Parts
part of speech: |
noun |
definition 1: |
in geometry, a straight line passing through the center of a circle or sphere and having its ends on the circumference or surface.
The figure shows the circle's diameter. |
definition 2: |
the length of the line that passes through the center of a circle or sphere and has its ends on the circumference or surface
To calculate the area of a circle, you need to know the diameter. |
definition 3: |
the width of any approximately circular, spherical, or cylindrical object.
Earth has a diameter of about 8,000 miles, or 13,000 kilometers. |
related words: |
bore, caliber |
|
|
derivation: |
diametral (adj.) |
|
|