Radical

radykalny

(thoroughgoing)

radykalny

(favouring fundamental change)

rodnik

(chemistry: involving free radicals)

klucz

(linguistics: portion of a character that provides an indication of its meaning)

pierwiastek

(arithmetic: root (of a number or quantity))

pierwiastek

(linguistics: portion of a character that provides an indication of its meaning)

radykał

(person with radical opinions)

radykał

(linguistics: portion of a character that provides an indication of its meaning)

radykał

(ring theory: intersection of prime ideals containing a given ideal)

rodnik

(organic chemistry: free radical)