Definiția cu ID-ul 434354:
Explicative DEX
PSILOMELAN s.n. Oxid natural hidratat de mangan. [< germ. Psilomelan, cf. gr. psilos – neted, melas – negru].
PSILOMELAN s.n. Oxid natural hidratat de mangan. [< germ. Psilomelan, cf. gr. psilos – neted, melas – negru].