o·pal·es·cent 
(ō′pə-lĕsənt)
(ō′pə-lĕsənt)adj.
Exhibiting a milky iridescence like that of an opal.
o′pal·escence n.
- irreligiousness
- irremeable
- irremediable
- irremediably
- irremissibility
- irremissible
- irremissibly
- irremovability
- irremovable
- irremovably
- irreparability
- irreparable
- irreparableness
- irreparably
- irrepealable
- irreplaceability
- irreplaceable
- irreplaceableness
- irreplaceably
- irrepressibility
- irrepressible
- irrepressibleness
- irrepressibly
- irreproachability
- irreproachable