crystal (adjective) crystal: clear, transparent
Detalii: crystal from Greek krustallos, originally meant 'ice' and it is, properly, rock crystal - describing ornamental pieces or items of crystallized quartz; fine glass, when cut or etched, is called crystal - but often there is no crystallized quartz but rather lead and it is properly called lead crystal
Sinonime: clear-cut, limpid, lucent,
lucid,
luminous, pellucid,
translucent, transpicuous, unblurred
Antonime: clouded, foggy