albedo /al-bēˈdō/

1. Orig whiteness
2. A measure of the reflecting power of an object (eg a planet), expressed as the proportion of incident light it reflects (physics)

• ooziest
• oozily
• ooziness
• oozinesses
• oozing
• oozy
• o/p
• op
• OP
• opacities
• opacity
• opacous
• opah
• opahs
• opal
• opaled
• opalescence
• opalescences
• opalescent
• opal glass
• opal glasses
• opaline
• opalines
• opalised
• opalized