n.
Pronunciation: ' r ā -diks
Function: noun
Inflected Form: plural ra · di · ces \ ' r ā -d ə - ˌ s ē z, ' ra- \ or ra · dix · es \ ' r ā -dik-s ə z \
Etymology: Latin, root ― more at ROOT
Date: 1798
1 : the base of a number system or of logarithms
2 : the primary source