translucent
Its transparent to red light, translucent to other colors.
Aluminum foil is opaque.
Translucent
Opaque
its transparent as a gas but is translucent as a liquid if you can see it.
opaque
mercury is opaque
Transparent.
something
No, it's translucent.
Transparent
All three ; the front is a mix of transparent & translucent and the back (where the photo-receptor dyes are) is opaque.