RADIX Meaning of RADIX in English [ 'radɪks , 'reɪ- ]■ noun ( plural radices -dɪsi:z ) 1》 Mathematics the base of a system of numeration. 2》 literary a source or origin.OriginC17: from L., lit. 'root'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004