See Also: radical 2, noun(dictionary)
radical(dictionary)
Radical(medicine)
radical(encyclopedia)
oxygen radical(medicine)
radical, free(medicine)
radical cystectomy(medicine)
radical hysterectomy(medicine)
radical mastoidectomy(medicine)
Radical prostatectomy(health)

radical 2, noun (oh)



2 n [C]
someone who has new and different ideas, especially someone who wants complete social and political change
-see also conservative conservative
::radicals on the extreme left wing of the party
-- radicalism n [U]