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di·am·e·ter

diameter

 
pronunciation:
daI ae mih tr
features:
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part of speech: noun
definition 1: a straight line from one side of a circle or sphere to the other that passes through the center.
definition 2: the length of this line.
definition 3: the width of a circle, sphere, or cylinder.
derivation: diametral (adj.)
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  measurement, 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