Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

Comprehensive
Dictionary Suite
Help
Help
Help
 
Intermediate Dictionary
   
Display options
Show syllables
Show Lookup History
Double-Click Lookup
Show Word Parts
  Show Spanish support
 
Pronunciation
Wordsmyth
  Phonics
  IPA
 
Entry formats
Standard
  Classic
 
Lookup History
radius

ra·di·us

radius

 
pronunciation:
reI di s
features:
Word Explorer, Word Parts
part of speech: noun
inflections: radii, radiuses
definition 1: a straight line from the center to the edge of a circle or sphere.
definition 2: a circular area measured by the length of its radius.
There are no stores within a mile radius of my house.
Word Explorer
See
  measurement, shape
Word PartsSubscriber feature About this feature