[oh-puh-lin, -leen, -lahyn] 
| of or like opal; opalescent. |
| o·pal (ō'pəl) n.
[Middle English opalus, from Latin, alteration of Greek opallios, probably from Sanskrit upalaḥ, from variant of upara-, lower, from upa, below; see upo in Indo-European roots.] o'pal·ine' (ō'pə-līn', -lēn') adj. |
pə