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

Comprehensive
Dictionary Suite
Help
Help
Help
 
Advanced Dictionary    
Display options
Show syllables
Show Lookup History
Double-Click Lookup
  Show Spanish support
 
Pronunciation
Wordsmyth
  Phonics
  IPA
 
Entry formats
Standard
  Classic
 
Lookup History
astronomical unit

astronomical unit

pronunciation:
ae str na mih kl yu niht
features:
Word Parts
part of speech: noun
definition: a unit of length based on the average distance of the earth from the sun, equal to about 149.6 million kilometers or ninety-three million miles.
Word Parts
The word astronomical unit contains the following part: