Word Explorer
Children's
Dictionary Suite
Help
Help
Help
Beginner's Dictionary
     
Lookup History
diameter

di·am·e·ter

diameter

 
pronunciation:
daI ae mih tr
features:
Word Explorer, Word Parts
part of speech: noun
definition: a straight line from one side of a circle to the other side that passes through the center.
The wheels on the truck have a large diameter.
derivation: diametral (adj.)
Word Explorer
See
  shape
Word Parts  About this feature
The word diameter contains the following parts:
dia-, di-1 Greek prefix that means across, apart, through, throughout
metr, -meter, -metry Greek root that means measure