o·pal·es·cent 
(ō′pə-lĕsənt)
(ō′pə-lĕsənt)adj.
Exhibiting a milky iridescence like that of an opal.
o′pal·escence n.
- Russianization
- Russianize
- Russian olive
- Russian Orthodox Church
- Russian River
- Russian roulette
- Russian Soviet Federated Socialist Republic
- Russian thistle
- Russian wolfhound
- Russification
- Russify
- Russky
- Russo-
- Russophile
- Russophilia
- Russophobe
- Russophobia
- rust
- rustable
- Rust Belt
- rust-belt
- rust fungus
- rustic
- rustically
- rusticate